CGK International School

English-Medium, Bilingual in Practice

All instruction at CGK — except dedicated Japanese language classes — is delivered in English. This makes CGK effectively an English-immersion environment from Nursery 2 onward. Students who are not yet fluent in English receive EAL (English as an Additional Language) support, for which an additional fee of ¥346,500 per year applies.

Japanese is taught daily through two differentiated tracks: JLL (Japanese Language Learner) for native or near-native speakers, and JAL (Japanese as an Additional Language) for international learners. CGK argues this daily 45-minute language block deepens cognitive, social, and emotional development by anchoring children in their cultural identity while building bilingual competence.

Primary Years: IB PYP

Grades 1–5 (and Nursery/Kindergarten) follow the IB Primary Years Programme, an internationally recognised transdisciplinary framework. Six units of inquiry run each year, integrating subject knowledge across mathematics, literacy, science, social studies, arts, and personal and social education. Assessment is primarily formative — portfolios, observations, and reflections rather than standardised tests.

Class sizes of approximately 20 students allow teachers to give individualised attention and facilitate group discussions effectively.

Middle School: IB MYP

Grades 6–9 operate under the IB Middle Years Programme (MYP) as a Candidate School. The MYP deepens academic exploration through eight subject groups and a structured interdisciplinary project in each year. Community service and an individual personal project in Grade 10 (planned) form key pillars.

A distinctive feature of CGK's Middle School is an optional study-abroad year in Grade 7, consistent with the school's global initiative and partnerships with domestic and international organisations. This unusual offering sets CGK apart from most IB schools in Japan.

Looking Forward: High School from 2028

With no graduating cohort yet, CGK has no IB Diploma statistics, university placement data, or standardised test results to report. The high school, planned for April 2028, will likely offer the IB Diploma Programme. When established, the school's emphasis on inquiry learning and global competency suggests a university counselling approach aligned with IB-pathway institutions worldwide.

Japan's Only Planned Integrated IB Continuum School

CGK describes itself as "the only integrated" school offering a continuous IB journey from age 2 to Grade 12 on a single Yokohama campus. While many international schools in Japan offer PYP or DP in isolation, CGK's ambition is a seamless 12+4-year experience where students never need to change schools to follow the IB pathway. The high school component, arriving in April 2028, will complete this vision.

Optional Grade 7 Study-Abroad Year

One of CGK's most unusual offerings is an optional international study-abroad experience embedded at Grade 7. This programme is part of CGK's formal Global Initiatives, which include partnerships with domestic and international organisations. For families, this means a structured, school-supported opportunity for teenagers to spend time abroad as part of — not instead of — their education. Few IB middle schools in Japan offer this at the curriculum level.

Seasonal Inquiry Schools

CGK runs "Inquiry School" programmes during school holidays — including Autumn School in October and Spring School — with themed, project-based activities. These are open to enrolled students and sometimes to external participants, extending the school's community reach and keeping inquiry learning continuous across the calendar year.

Transparent Discount Structure

While CGK offers no traditional merit or need-based scholarships, it maintains a clear and automatic discount system:

• Sibling Discount: 20% off tuition for the younger sibling when two children are simultaneously enrolled
• CGK Preschool Graduate Discount: 5% off Elementary/Afterschool tuition for children who progressed from CGK's own Preschool

These discounts require no separate application and are applied automatically at billing, offering predictable savings for multi-child families.

Government Subsidy Eligibility

For children aged 3–5, CGK participates in Japan's national Early Childhood Education and Care (ECEC) subsidy, which can effectively cover the base tuition for preschool-age children. This significantly reduces the cost barrier for families of young children — a material advantage that distinguishes CGK from purely private-fee international schools.

Central Kannai Location

CGK's Kannai campus sits in central Yokohama, walkable from multiple train stations and served by three morning school buses. This urban accessibility, combined with an optional afterschool programme running until 7:00 pm with free bus service and snacks, makes CGK a practical as well as philosophically compelling choice for working families in the greater Yokohama-Tokyo corridor.

A Deliberate Break from Tradition

CGK International School positions itself as a direct alternative to Japan's conventional examination-oriented education system. Official materials are explicit: "Instead of spending the school [years preparing for tests]… activities, volunteer activities and more" form the backbone of the student experience. This is not simply marketing language — it is embedded in curriculum design, assessment philosophy, and school culture.

The IB Continuum as Spine

CGK is an IB PYP World School for Nursery 2 through Grade 5, and an IB MYP Candidate School for Grades 6–9, with an IB Diploma Programme planned when the high school opens in 2028. The choice of a single continuous IB pathway — rather than mixing national and international curricula — reflects a deliberate commitment to pedagogical consistency across a child's formative years.

The PYP's transdisciplinary framework encourages students to investigate real-world problems through six units of inquiry per year. Teachers act as facilitators rather than lecturers, and student agency — the ability to ask questions, propose investigations, and reflect on learning — is prized above rote recall.

Bilingualism as a Core Value

Although CGK is an English-medium school (all instruction except Japanese classes is in English), Japanese language development is treated as equally important. Two tracks run in parallel: JLL (Japanese Language Learner) for native or near-native Japanese speakers, and JAL (Japanese as an Additional Language) for international students. The school argues that deepening both languages simultaneously strengthens cognitive, social, and emotional development — a position well-supported by bilingual education research.

Non-Cognitive Skills Front and Centre

CGK explicitly names communication, emotional maturity, and self-expression as targets alongside academic content. The school's preschool philosophy centres on nurturing independence and group collaboration from the earliest years. This extends to middle school, where the MYP's community service, interdisciplinary projects, and personal projects cultivate self-management and empathy.

The school's community service record illustrates this: in June 2025, CGK staff and families joined Yokohama's Homeless Patrol to distribute food and supplies, with the school noting that "serving those in need… is a privilege." Such activities are not peripheral — they are considered part of the educational programme.

Looking Ahead

With the high school scheduled for April 2028, CGK will eventually offer the IB Diploma Programme, completing a rare pre-K-to-Grade-12 IB continuum on a single Yokohama campus. For families, this means a child who enters at age 2 could, in principle, remain in the same school community through graduation — a significant continuity advantage in a city with considerable expatriate mobility.

Community as Curriculum

At CGK International School, community is not an afterthought — it is deliberately woven into the educational experience. With approximately 300 students from age 2 through Grade 9, CGK is small enough for every family to know one another, and the school capitalises on this intimacy through frequent shared events.

Signature Events

The annual School Festival, themed around autumn and Halloween, is one of the most visible community gatherings. CGK's October 2025 newsletter described the event warmly: "parents… participated in the spirit of the day — contributing to the sense of community that defines our school." Parents ran booths alongside students and teachers, with many adults joining children in costume. These events serve a dual purpose: celebrating cultural diversity while reinforcing the bonds between families, staff, and students.

Service Learning in Action

In June 2025, CGK volunteers — including staff and families — joined Yokohama's Spring Homeless Patrol, distributing food and supplies around the Kannai neighbourhood. The school framed this not as charity but as a meaningful learning experience: "serving those in need… is a privilege." This reflects the IB's emphasis on action and service as integral to education, not optional extras.

International Families and Parent Support

CGK goes further than most schools in supporting newly arrived international families. Free Parent Class sessions help expatriate parents acclimate to Japanese culture and the local community. This is unusual in the Tokyo-Yokohama international school landscape and signals genuine investment in the whole family's wellbeing, not just the student's.

Short-term exchange students and their families are also welcomed, adding further cultural texture to the student body. CGK's website notes that "students from different cultures and backgrounds can interact… bringing rich diversity to the classroom."

Afterschool as Community Hub

The Afterschool programme (open until 7:00 pm) extends the school day for Grades 1–9 and serves as an additional community touchpoint. Free snacks are provided, and the inquiry-based enrichment continues the school-day philosophy. The bus service available through Afterschool further eases logistics for working parents. Seasonal "Inquiry School" programmes during school holidays also keep the community connected year-round.

Start with Open School

CGK's admissions process begins not with forms but with conversation. The school runs Open School sessions on weekends and by arrangement on weekdays, where prospective families observe classes, hear about the IB philosophy, and ask questions in English or Japanese. For preschool applicants, teachers actively supervise young children during Open School activities, giving parents a genuine glimpse of daily life.

Spring 2026 Open School sessions included a Preschool event on March 7 and an Elementary session on May 17 — both well ahead of the April intake, allowing families time to reflect and decide.

The Application Steps

The formal process is straightforward:

1. Submit the application form with a ¥33,000 non-refundable examination fee (Elementary/Middle School)
2. Attend child screening and separate parent/guardian interview
3. Receive admission decision
4. Pay the ¥550,000 enrollment fee to confirm the place
5. Attend a pre-start orientation

Screening Without High Stakes

There are no written entrance exams. Instead, CGK screens children through observation and behavioural assessment, evaluating readiness and motivation rather than academic attainment. The parent/guardian interview is conducted in English or Japanese — families do not need to be bilingual. CGK explicitly states: "parents or guardians do not need to be proficient in both English and Japanese for your child to be admitted."

Decisions are based on "a variety of factors," reflecting the school's holistic ethos. This approach suits the school's IB philosophy, which values curiosity and disposition over test performance.

Priority for Internal Progression

Existing CGK Preschool students benefit from a simplified pathway when advancing to Elementary School, reflecting the school's continuum model and rewarding long-term family commitment.

No Waitlist, But Plan Ahead

CGK does not operate a formal waitlist. However, with strong demand for approximately 300 places across an age range of 2–14, families are advised to apply as early as possible. Mid-year entry is available if vacancies arise, but the April cohort is the primary intake. Age cutoffs are published on the school website for each grade, based on Japanese school year birth-date conventions.

Admissions Overview

CGK International School operates a year-round admissions process with a strong preference for April intake, aligning with the Japanese academic calendar. The school welcomes prospective families to attend Open School information sessions and campus visits where staff present the IB philosophy and parents can observe classes in action. These sessions are offered on weekends in both English and Japanese, with weekday visits available by arrangement.

Application Process

The admissions process follows a clear four-step sequence:

1. Submit Official Application Form – Families complete a comprehensive form including contact information, child's school history, and language background
2. Pay Non-Refundable Examination Fee – ¥33,000 for Elementary and Middle School applicants
3. Undergo Screening Assessment – Both child and parent participate in evaluation
4. Receive Admission Decision – If accepted, families pay a one-time enrollment fee and confirm placement

For children already enrolled in CGK Preschool advancing to Elementary, a simplified process applies, suggesting priority consideration for existing families.

Required Documentation

• Completed application form
• Recent photo of the child
• Photo ID (My Number Card or passport)
• Application fee payment (¥33,000)
• School history and language proficiency details

Age Requirements and Grade Placement

CGK publishes strict age cutoffs based on birthdates for each grade level. For April 2026 entry:

• Grade 1: Born April 2, 2018 – April 1, 2019
• Grade 2: Born April 2, 2017 – April 1, 2018
• Grade 6 (Middle School): Born April 2, 2014 – April 1, 2015

For students born outside these cohorts or seeking mid-year admission, families must contact CGK directly for special consideration.

Screening and Selection

The screening process takes a holistic approach rather than relying on high-stakes testing. It consists of:

Child Assessment

• Brief interview to evaluate readiness and motivation
• Behavioral observation in age-appropriate settings
• Assessment of ability to thrive in an English-language environment

Parent Interview

• Conducted in either English or Japanese (parent choice)
• Discussion of family values and alignment with IB philosophy
• No requirement for parents to be bilingual

CGK explicitly states that parents need not be proficient in both English and Japanese for their child to be admitted. Screening interviews can be conducted entirely in the parent's preferred language, removing language barriers for non-bilingual families.

The school evaluates candidates based on multiple factors rather than a single metric, seeking students and families aligned with its inquiry-based, globally-minded educational approach. Official sources note decisions depend on "a variety of factors," though specific acceptance rates are not published.

Timeline and Key Dates

Admissions activities align with the Japanese school year:

Open School Events

• Preschool: Early spring (e.g., March 7, 2026)
• Elementary: Late spring (e.g., May 17, 2026)
• Middle School: Spring sessions announced annually

Application Timeline

• Families encouraged to apply after attending Open School
• No explicit application deadlines posted
• Rolling admissions with spots filling quickly
• Orientation sessions held in months preceding April start

Mid-year admissions are possible when vacancies arise, though April remains the primary intake period.

Selection Criteria

While CGK does not publish acceptance rates or detailed academic requirements, the school's IB-focused pedagogy suggests it seeks:

Academic Readiness

• Age-appropriate developmental milestones
• Ability to engage with English-language instruction
• Curiosity and enthusiasm for inquiry-based learning

Family Alignment

• Commitment to IB educational philosophy
• Support for global citizenship values
• Understanding of project-based learning approach

Language Considerations

• Students need sufficient English proficiency or willingness to participate in EAL (English as Additional Language) support
• The school explicitly screens for English ability as part of enrollment
• EAL support available for students with concerns about English proficiency

Competitive Landscape

With approximately 300 students enrolled from age 2 through middle school across small classes of roughly 20 students each, demand appears strong. The school does not maintain a formal waitlist system. Instead, unfilled spots may be offered to additional qualified applicants on a rolling basis.

The absence of published acceptance rates and the multi-factor screening suggest CGK is moderately selective rather than offering open enrollment. Families should demonstrate both student readiness and philosophical alignment with the school's global, inquiry-based mission.

Special Considerations

Preschool Advancement

Children transitioning from CGK Preschool to Elementary School follow a separate, streamlined process with apparent priority consideration.

International Families

CGK welcomes students from diverse cultural backgrounds and provides support for families new to Japan, including free Parent Class sessions to help international families acclimate to Japanese culture.

Language Support

While core instruction occurs in English (except Japanese language classes), the school offers:

• EAL support for students developing English proficiency
• Japanese language classes at both native (JLL) and acquisition (JAL) levels
• Bilingual staff and parent communication

Planning Recommendations

Prospective families should:

1. Attend Open School early – Sessions fill quickly and provide essential insight into the IB approach
2. Apply promptly – Rolling admissions means early applicants have better access to available spots
3. Prepare for English instruction – Students should have at least basic English or be ready for intensive immersion with EAL support
4. Understand the commitment – CGK's continuum model (age 2 through planned Grade 12) suits families seeking long-term, single-school placement
5. Contact admissions directly – For unique circumstances, mid-year entry, or questions about age cutoffs

The admissions process emphasizes fit over pure academics, seeking families who value inquiry-based learning, global citizenship, and bilingual development within the IB framework.

Current Educational Scope

CGK International School currently operates exclusively as a preschool-through-middle-school institution, offering programs from age 2 through Grade 9. The school holds authorization as an IB PYP World School for its Primary Years Programme (Nursery 2 through Grade 5) and is an IB MYP Candidate School for its Middle Years Programme (Grades 6–9).

As of 2025, CGK has not graduated any students to university level, as the school's oldest students are in Grade 9. Consequently, no university placement data, IB Diploma statistics, or alumni destination records exist.

High School Development Timeline

CGK has announced plans to launch its high school division (Grades 10–12) in April 2028. This expansion will complete the school's vision of providing a full IB continuum education from early childhood through Grade 12. Once the high school opens and the first cohort completes the IB Diploma Programme, the school will begin generating university placement outcomes and standardized test results.

The planned high school represents a critical milestone for families considering CGK as a long-term educational option, as it will enable students to complete their entire K-12 journey within one institution rather than transferring to other schools for upper secondary education.

Academic Framework and Future Outlook

While university outcomes cannot yet be measured, CGK's academic approach provides indicators of its future trajectory:

IB Continuum Structure

The school follows the International Baccalaureate framework across all divisions:

• Primary Years Programme (PYP): Grades Nursery 2–5, emphasizing inquiry-based learning, conceptual understanding, and development of the IB learner profile attributes
• Middle Years Programme (MYP): Grades 6–9, featuring interdisciplinary learning, deeper academic exploration, and the personal project in Grade 9
• Diploma Programme (Planned): Grades 10–12, will offer the full IB DP when high school launches in 2028

Academic Philosophy

CGK explicitly positions itself as an alternative to traditional examination-focused education. The school emphasizes inquiry-based and project-based learning rather than standardized test preparation. Official materials note the school's rejection of "the old Japanese examination and assessment system" in favor of a "well-rounded education" that includes extracurricular activities, volunteer work, and experiential learning.

This philosophy suggests that future university placements will likely emphasize:

• International university destinations aligned with IB credentials
• Liberal arts and globally-focused institutions
• Schools valuing holistic student profiles beyond test scores

Language of Instruction

All instruction except Japanese language classes is conducted in English, with robust Japanese language programs offered at both native-speaker (JLL) and acquisition (JAL) levels. This bilingual model positions students for both international and Japanese university pathways.

Current Student Support Systems

Although no university counseling program exists yet, CGK has established support structures that will inform future university guidance:

English Language Acquisition

The school provides EAL (English as an Additional Language) support for students who need it, ensuring all students can access the English-medium curriculum. This positions even students from non-English-speaking backgrounds for international higher education.

Global Experiences

CGK offers distinctive international opportunities, including:

• An optional Grade 7 study-abroad year as part of the school's global education initiative
• Short-term exchange programs with partner schools
• International service learning projects

These experiences develop the global competencies and cross-cultural skills increasingly valued by competitive universities worldwide.

Learning Support

Additional learning support services are available for students who need them, though these appear focused on academic skills rather than comprehensive special education. This targeted support approach suggests the school serves students who can succeed in a rigorous IB curriculum with appropriate scaffolding.

Expected University Placement Profile

Likely Destinations

While no historical data exists, CGK's profile suggests future graduates will likely pursue:

International Universities: Students completing the IB Diploma in English will be well-positioned for universities in English-speaking countries (United States, United Kingdom, Canada, Australia) and international programs in Europe and Asia.

Japanese Universities: The school's robust Japanese language program (with native-level tracks) enables students to maintain eligibility for Japanese institutions that accept IB credentials, including universities with global programs and those offering returnee student admissions.

Liberal Arts Colleges: The school's emphasis on inquiry, critical thinking, and holistic development aligns with the liberal arts model common in American and Japanese liberal arts institutions.

Competitive Positioning

Several factors may influence CGK's future university placement competitiveness:

Strengths:

• Complete IB continuum education from age 2
• Bilingual Japanese-English proficiency
• Small class sizes (approximately 20 students) enabling individualized attention
• Strong emphasis on non-cognitive skills and global citizenship
• Downtown Yokohama location providing urban resources and cultural experiences

Potential Challenges:

• As a relatively new school (founded 2016), lack of established alumni network
• First high school cohort will graduate in 2031, limiting track record for initial years
• Smaller school size (around 300 total students currently) compared to larger established international schools

Comparison to Regional Context

In the Tokyo/Yokohama international school market, established IB schools typically report strong university outcomes, with graduates attending top-tier institutions globally. Schools such as KIST, Seisen, and the American School in Japan have decades of placement data showing acceptance to universities including Tokyo University, Waseda, Keio, Ivy League institutions, Oxbridge, and other selective universities worldwide.

CGK will enter this competitive landscape in 2028–2031 as its first DP cohorts graduate. The school's success will depend on:

• Quality of IB Diploma implementation and results
• Development of university counseling expertise
• Building relationships with university admissions offices
• Creating a track record that demonstrates student preparation

What This Means for Prospective Families

Families considering CGK should understand:

For Current Applicants

Students enrolling in preschool or elementary school today will be among the school's first high school classes. These pioneering cohorts will:

• Experience a newly-established DP program
• Graduate without extensive alumni placement history to reference
• Need to navigate university applications with less institutional guidance initially

Timeline Considerations

A child entering CGK's preschool in 2025 would:

• Complete elementary school around 2032–2033
• Finish middle school around 2036–2037
• Graduate high school around 2039–2040

By that time, CGK will have 8–11 years of high school operation and multiple graduating classes, providing substantial placement data.

Alternative Pathways

Families should consider that students completing Grade 9 before 2031 will need to:

• Transfer to other schools for high school if they cannot wait for CGK's program
• Research which secondary schools best fit their university goals
• Plan transitions well in advance

Information Gaps and Future Updates

The following information will become available only after CGK's high school operates:

• IB Diploma average scores and pass rates
• Specific university acceptance lists
• Scholarship and merit award achievements
• Graduate career outcomes
• Alumni network strength
• University counseling program details
• Standardized test performance (SAT, ACT, etc.)
• Comparative performance against other Tokyo/Yokohama international schools

Prospective families should monitor CGK's website and request updated information as the high school program develops and matures.

Conclusion

CGK International School currently offers no university placement data because it serves only students through Grade 9. The planned 2028 high school opening will initiate this aspect of the school's profile, with first graduates expected in 2031. Families attracted to CGK's IB continuum model, bilingual approach, and inquiry-based philosophy should understand they are investing in a developing program whose university outcomes remain to be established.

Overview

CGK International School cultivates a distinctive culture centered on global citizenship, inquiry-based learning, and holistic child development. As an IB PYP World School (Nursery 2 – Grade 5) and IB MYP Candidate School (Grades 6–9), the institution explicitly prioritizes critical thinking, self-expression, and "a spirit of inquiry" across all educational levels. The school's mission extends beyond academic achievement to nurture communication skills, emotional maturity, and independence through collaborative group activities.

Educational Philosophy & Values

CGK's approach represents a deliberate departure from traditional exam-focused education. The school contrasts its methodology with "the old Japanese examination and assessment system," instead pursuing a "well-rounded education" that emphasizes inquiry and project-based learning over test preparation. This philosophy permeates daily instruction, with all classes except Japanese language taught entirely in English.

The bilingual environment serves dual purposes: deepening cultural identities while supporting cognitive development. Japanese language classes are differentiated to serve both native speakers (JLL) and learners of Japanese as an additional language (JAL), with daily 45-minute sessions designed to enhance cognitive, social, and emotional growth.

Student Body & Diversity

With over 300 students enrolled from age 2 through middle school, CGK maintains a deliberately international and multicultural student body. The school welcomes "students from different cultures and backgrounds," viewing diversity itself as a core learning asset. This multicultural composition creates what the school describes as "rich diversity in the classroom," where students from varied backgrounds interact and learn from one another.

Class sizes remain intentionally small at approximately 20 students each, enabling individualized attention and fostering close-knit relationships among peers and teachers. This intimate scale supports the school's emphasis on personalized, inquiry-driven education.

Community Engagement & Events

CGK demonstrates robust parent and family involvement through regular school-wide events and activities. The annual School Festival exemplifies this community spirit—the October 2025 event featured a Halloween/harvest theme with parents, teachers, and students collaboratively running booths and games. Many parents participated fully in the festivities, "contributing to the sense of community that defines our school."

Beyond celebration, CGK emphasizes social responsibility and service learning. In June 2025, school staff and families participated in Yokohama's spring homeless patrol, distributing food and supplies to those in need. The school frames such service as integral to education, noting that "serving those in need... is a privilege" and an opportunity for students to develop empathy and civic engagement.

To support international families, CGK offers free "Parent Class" sessions designed to help newcomers acclimate to Japanese culture. This accommodation reflects the school's understanding that many families are globally mobile and may need support navigating local customs and systems.

Extracurricular Activities

The Afterschool program (Grades 1–9) extends the school day until 7:00 PM with project-oriented enrichment in English. This program functions as an extension of inquiry-based learning rather than traditional daycare, with daily snacks provided free of charge.

While the school does not publish comprehensive lists of sports teams or clubs on its website, third-party sources indicate CGK offers activities spanning athletics, swimming, dance, coding, arts, and STEM subjects including robotics. The school also hosts vacation-period "Inquiry School" programs (Autumn School in October, Spring School) featuring themed activities that maintain the inquiry focus year-round.

These extracurricular opportunities align with CGK's philosophy that education encompasses "volunteer activities and more" rather than solely classroom instruction.

Student Well-Being & Support

CGK adopts a holistic approach to student well-being, with explicit focus on "communication, emotional maturity and self-expression." The school affirms its commitment to maintaining an environment "where everyone in the CGK community can feel safe and secure," acknowledging that the school environment profoundly impacts children's development.

Small class sizes and bilingual staff naturally support socio-emotional attention, though the school does not detail dedicated counseling programs in available materials. For academic support, CGK provides English Language Acquisition (ELA/EAL) services for students requiring language assistance, and Learning Support services are available (with additional fees).

Language Environment

The predominantly English-language instruction creates an immersive environment, though the school maintains flexibility regarding family language backgrounds. Notably, CGK emphasizes that "parents or guardians do not need to be proficient in both English and Japanese for your child to be admitted." Screening interviews can be conducted in either English or Japanese, ensuring accessibility for monolingual families.

This linguistic flexibility extends to students as well. While English proficiency is assessed during enrollment, the school provides EAL support for "students with concerns about their English ability," acknowledging that children arrive with varying language backgrounds.

Global Initiatives

CGK's commitment to international education extends beyond curriculum to experiential opportunities. The school facilitates short-term exchange programs and maintains partnerships with domestic and international organizations. A distinctive offering is the optional Grade 7 study-abroad year, introduced as part of CGK's global initiative to provide middle school students with immersive international experiences.

These programs reflect the school's mission of "maximizing opportunities for happiness in a global world" and preparing students for internationally mobile futures.

Community Characteristics

The school culture attracts globally-minded families seeking continuous IB education from early years through middle school. The community includes both expatriate families (business, diplomatic) and internationally-oriented Japanese families who value English immersion combined with robust Japanese language instruction.

CGK's location in central Yokohama's Kannai district—a short walk from multiple train stations—makes it accessible to urban families, though the school also operates three morning bus routes with priority given to younger children.

Cultural Fit

Families who thrive at CGK typically embrace:

• Inquiry-based, project-oriented learning over exam preparation
• Multicultural environments and global citizenship values
• Active parent participation in school events and community
• Bilingual education prioritizing both English and Japanese
• Holistic development including social-emotional learning

The school may be less suitable for families seeking intensive exam coaching for Japanese university entrance or those preferring highly traditional, test-focused educational approaches. The inquiry-based IB framework requires students who are curious, collaborative, and comfortable with open-ended learning experiences.

Overview

CGK International School's fee structure reflects its positioning as a premium IB World School in central Yokohama. The total cost of attendance includes base tuition, mandatory maintenance fees, one-time enrollment charges, and various optional expenses. For families planning long-term enrollment, understanding the complete financial picture—including both initial and recurring costs—is essential.

Annual Tuition by Division

Elementary School (Grades 1-5, Ages 3-10)

• Annual Tuition: ¥2,125,530 (approximately USD 15,600)
• This includes base tuition of ¥1,980,000 plus the mandatory maintenance fee of ¥145,530

Middle School (Grades 6-9, Ages 11-14)

• Annual Tuition: ¥1,874,730 (approximately USD 13,800)
• Slightly lower than elementary, reflecting different program costs

Preschool (Age 2)

Tuition varies by attendance schedule:

• 5 days/week: ¥2,262,972 annually
• 4 days/week: ¥1,907,388 annually
• 3 days/week: ¥1,551,816 annually
• 2 days/week: ¥1,126,944 annually

Preschool/Kindergarten (Ages 3-5)

Families with children ages 3-5 may be eligible for Japan's Early Childhood Education and Care (ECEC) subsidy, which effectively covers full-time preschool tuition. Families pay only the maintenance fee and optional expenses. Parents should verify current subsidy eligibility directly with the school.

One-Time Fees

Initial Enrollment Costs

• Application Fee: ¥33,000 (non-refundable, required with application submission)
• Registration/Enrollment Fee: ¥550,000 (Elementary and Middle School, one-time upon acceptance)
• Preschool Registration Fee (Ages 3-5): ¥440,000 (one-time)
• Preschool Enrollment (Age 2): ¥110,000 enrollment fee plus ¥330,000 advance registration (offset against tuition)

First-Year Total Cost Example

For a new Grade 6 student in 2025/26:

• Application Fee: ¥33,000
• Registration Fee: ¥550,000
• Annual Tuition (including maintenance): ¥1,874,730
• Total First Year: ¥2,457,730 (approximately USD 18,000)

Subsequent years would cost only the annual tuition.

Additional Mandatory and Optional Costs

Afterschool Program

• Registration Fee: ¥55,000 (one-time, for Grades 1-9)
• Daily Attendance: Varies by schedule
• Extended Care: ¥550 per 30 minutes beyond regular hours
• Benefit: Free snacks provided daily; free bus service for afterschool participants

Transportation

CGK operates three morning bus routes with priority for younger children:

• Monthly Cost: ¥16,500–¥25,300 (preschool, route-dependent)
• Annual Contract: ¥198,000–¥224,400 (elementary students)
• Routes serve various Yokohama neighborhoods
• Afterschool program includes free return bus service

Learning Support Services

• English Language Acquisition (EAL): ¥346,500 per year per child (if needed)
• Learning Support: Additional fee (amount varies by need)

Other Optional Expenses

• Swimming Lessons (Preschool): ¥1,100 per lesson
• Field Trips and Events: Charged separately as they occur
• School Uniforms: One-time purchase (amount not specified)
• Learning Materials: Some specialized materials may incur extra charges

Annual Maintenance Fee

All students pay a mandatory Shinrin-hijo (facility maintenance fee) of ¥145,530 annually. This fee is included in the total annual tuition figures cited above and covers building upkeep, technology infrastructure, and general school operations.

Available Discounts

Sibling Discount

CGK offers a 20% tuition reduction for younger siblings when multiple children from the same family are enrolled simultaneously. The older sibling pays full tuition; the younger receives the discount. For families with three or more children, the school requests direct contact to arrange customized discount structures.

Example: If two siblings attend CGK Elementary simultaneously:

• Older child: ¥2,125,530 (full price)
• Younger child: ¥1,700,424 (20% discount)
• Combined annual cost: ¥3,825,954 instead of ¥4,251,060
• Annual savings: ¥425,106

CGK Preschool Graduate Discount

Children who complete CGK Preschool and continue directly into Elementary or Middle School receive a 5% discount on their tuition or afterschool program fees. This benefit does not apply to children who withdraw between divisions or delay enrollment.

No Need-Based Financial Aid

CGK does not offer merit-based scholarships or need-based financial aid programs. The sibling and alumni discounts represent the only tuition relief available. Families seeking assistance beyond these programs will not find traditional bursary or scholarship options.

Comparative Context

CGK's tuition falls within the typical range for IB World Schools in the greater Tokyo area. The annual cost of ¥1.87M–¥2.13M is comparable to other international schools offering the IB Primary Years Programme and Middle Years Programme. The relatively high one-time registration fee of ¥550,000 is standard for established international schools in Japan, though it represents a significant upfront investment for new families.

The school's downtown Kannai location (walking distance from multiple train stations) contributes to operating costs reflected in tuition. CGK's moderate size—approximately 300 students from age 2 through middle school—allows for small class sizes (around 20 students) but limits economies of scale that might reduce per-student costs.

Financial Planning Considerations

Multi-Year Enrollment

Families planning to enroll children from preschool through middle school should budget for:

• Significant one-time fees in the first year
• 10+ years of annual tuition (if continuing from age 3 through Grade 9)
• Potential sibling discounts if multiple children attend
• The planned high school opening in April 2028, which may extend the enrollment period but could involve additional fees

Hidden Costs to Consider

• Bus service adds ¥200,000–¥250,000 annually if needed
• EAL support could add ¥346,500 per year for students requiring language assistance
• Afterschool program (popular among working families) requires separate registration and fees
• Field trips, special events, and materials are not included in base tuition

Budget-Friendly Aspects

• Government ECEC subsidy for ages 3-5 can substantially reduce or eliminate preschool tuition
• Afterschool program includes free snacks and bus service
• No separate lunch program fees (families arrange meals)
• Sibling discounts provide meaningful savings for multi-child families

Payment Structure and Policies

CGK follows a standard payment timeline:

1. Application fee due upon form submission
2. Registration fee due immediately upon accepting admission offer
3. Annual tuition typically billed in installments (specific payment schedule available from the business office)
4. Optional fees (bus, afterschool, etc.) billed separately

The school has not published information about refund policies for withdrawal mid-year or payment plan flexibility. Families should inquire directly about payment arrangements if needed.

Summary

The total cost of attending CGK International School requires careful financial planning. First-year families face combined fees exceeding ¥2.4M (USD 18,000), with ongoing annual costs of ¥1.87M–¥2.13M depending on division. While sibling discounts offer relief for multi-child families, the absence of need-based aid means CGK's student body likely skews toward higher-income households. For families committed to IB education and willing to invest in a continuous program from early childhood through middle school, CGK's costs align with market rates for international education in metropolitan Japan.

Who Is This School Best For?

CGK International School in Yokohama is designed for specific types of students and families who value international education, bilingualism, and inquiry-based learning. Understanding whether your child fits the school's profile is essential before applying.

Ideal Student Profile

Globally Minded, Curious Learners

CGK thrives with students who are naturally inquisitive and enjoy project-based, collaborative learning. The school follows the IB Primary Years Programme (PYP) and Middle Years Programme (MYP), which emphasize critical thinking and "a spirit of inquiry" over rote memorization. Students who flourish here typically:

• Enjoy exploration and questioning rather than traditional drill-and-practice methods
• Work well in collaborative group settings where communication and teamwork are valued
• Embrace experiential learning through field trips, community service, and hands-on projects
• Show interest in global issues and cultural diversity

The school explicitly contrasts its approach with Japan's traditional examination system, seeking a "well-rounded education" beyond test preparation. Children who need highly structured, exam-focused instruction may find the IB methodology less familiar.

Language Capabilities

All instruction at CGK (except Japanese language classes) is delivered in English. Students should have:

• Basic to strong English proficiency to access the curriculum effectively
• Willingness to develop bilingual skills in both English and Japanese
• Ability to thrive in an immersive English environment with EAL support available for those with concerns about their English ability

CGK provides English as an Additional Language (EAL) support and does not require children to be native English speakers. However, the school does check English ability during enrollment to ensure students can participate meaningfully in classroom activities. Students with very limited English will need significant support to succeed.

Japanese language instruction is robust, with separate tracks for native speakers (JLL) and Japanese as an Additional Language (JAL) learners. This dual-language approach aims to deepen cultural identities and cognitive development.

Age and Grade Fit

CGK currently serves students from age 2 through Grade 9 (middle school). The school is ideal for:

• Families seeking long-term continuity from early childhood through at least middle school
• Students entering at natural transition points (age 2, age 3 for kindergarten, Grade 1, or Grade 6)
• Children born within specific date ranges (April 2 to April 1 cutoffs for each grade level)

Note that CGK plans to open high school (Grades 10-12) in April 2028. Current middle schoolers can potentially continue through to IB Diploma, but families should confirm high school details directly with the school.

Ideal Family Profile

International and Globally Mobile Families

CGK particularly suits:

• Expatriate families (business, diplomatic, academic) seeking English-language education in Japan
• Globally mobile Japanese families who want their children to develop strong English skills while maintaining Japanese language
• Multicultural families who value diversity and international perspectives
• Families planning long-term stays in Yokohama (minimum several years to benefit from the continuum model)

The school serves over 300 students from diverse cultural backgrounds, creating a rich multicultural learning environment. International families receive support through initiatives like free "Parent Class" sessions to help them acclimate to Japanese culture.

Families Committed to the IB Philosophy

Ideal families:

• Value holistic development over purely academic achievement
• Support inquiry-based learning at home
• Prioritize non-cognitive skills like emotional maturity, communication, and self-expression
• Embrace global citizenship and community service (CGK regularly participates in local volunteer activities)
• Are comfortable with continuous assessment rather than high-stakes testing

Practical Considerations

CGK works best for families who:

• Live in or near Yokohama (the Kannai campus is centrally located near multiple train stations)
• Can commit to the April-admission cycle following the Japanese school year
• Can manage tuition of approximately ¥1.87-2.13 million annually (roughly USD 13,800-15,600), plus fees
• Do not require extensive financial aid (only sibling and alumni discounts available)
• Can participate in school community events (festivals, parent engagement activities)

Who May Not Fit

Students Requiring Intensive Support

CGK may not be suitable for:

• Students with significant learning differences requiring extensive special education resources (the school lists EAL but no comprehensive SEN program)
• Children with serious behavioral challenges in small classroom settings (approximately 20 students per class)
• Students needing remedial support beyond EAL in core subjects

Exam-Focused Families

The school is less appropriate for:

• Families targeting traditional Japanese high schools or university entrance exams
• Students who thrive primarily with structured test preparation and competitive ranking
• Families prioritizing Japanese national curriculum alignment over international standards

Language Limitations

Challenges may arise for:

• Students with minimal English who are not ready for intensive immersion (though EAL support exists)
• Families expecting monolingual Japanese instruction as the primary language of learning

Financial Constraints

CGK does not offer need-based financial aid or merit scholarships. Families requiring significant tuition assistance beyond the 20% sibling discount should explore other options.

Parent Language Requirements

Importantly, parents do not need to be bilingual. CGK explicitly states that "parents or guardians do not need to be proficient in both English and Japanese for your child to be admitted." Admission interviews can be conducted in either English or Japanese. This makes the school accessible to both purely Japanese-speaking families and international families with limited Japanese.

Community and Culture Fit

CGK emphasizes a close-knit, collaborative community. Families who appreciate:

• Regular participation in school events (festivals, volunteer activities, parent classes)
• Small school environment (approximately 300 total students)
• Strong parent-teacher-student relationships in intimate class sizes
• Community service and social responsibility as part of education

will find CGK's culture rewarding. The school hosts annual festivals where parents actively participate, and families engage in community outreach like homeless support patrols.

Bottom Line

CGK International School is best for globally minded, curious students from diverse backgrounds who are comfortable learning in English and value the IB's inquiry-based approach. Ideal families seek long-term, holistic education from preschool through middle school (and potentially high school from 2028), can commit to the school's tuition structure, and want to be part of an engaged, multicultural community in Yokohama. The school is less suitable for families focused on Japanese exam preparation, those requiring extensive learning support beyond EAL, or those needing significant financial assistance.