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Osaka Municipal Suito International Junior & Senior High School
Osaka, Japan
Last updated: Apr 15, 2026
Osaka Prefectural Suito International Junior and Senior High School is Japan's first public integrated international school operated by a private organization (Osaka YMCA), opened in April 2019 in Osaka's Suminoe Ward. The school offers English immersion, inquiry-based learning, and the IB Diploma Programme alongside the Japanese national curriculum. Students choose from Global Communication, Global Science, or IB courses in senior high. With a hensachi (deviation score) of approximately 58, it rapidly built strong university placement records at both Japanese national universities and international institutions.
- Curriculum
- IB Diploma
- Annual Tuition
- ¥118,800 - ¥398,850(2024-2025)≈ $732 - $2,458
- Students
- ~720
Overview
Osaka Municipal Suito International Junior & Senior High School is an international IB Diploma Programme school in Osaka, Japan. Founded in 2019, it has approximately 720 students. The language of instruction is English, with EAL support available...
Tuition & Fees
Annual Tuition
¥118,800 - ¥398,850(2024-2025)≈ $732 - $2,458
Application Fee
¥5,650≈ $35
Est. First Year Total
¥124,450≈ $767
Tuition by Grade
| Grade | Annual Tuition | Application Fee | Deposit |
|---|---|---|---|
| High School (All Years) | ¥118,800≈ $732 | ¥5,650≈ $35 | - |
Approximate values based on ECB reference rates (Jul 13 – 17, 2026). Actual amounts may vary.
Curriculum & Academics
Languages of Instruction
Languages of Instruction
Compulsory / Optional
Subjects Offered
13 subjectsIB Diploma(9)
National Ja(4)
Accreditations & Memberships
1 accreditationOutcomes & Results
University Destinations
Admissions
Requirements
Junior High (Year 7 entry), Senior High (Year 10 / Grade 10 entry)
English Requirement: Advanced English
Interview Required (In-person)
Acceptance Rate: 0.22%
School Life
- Term system
- 3-term (Term 1: April–July; Term 2: September–Dece
- Uniform
- Required
Support & Wellbeing
Co-curricular Activities
30 activitiesTeam Sports(5)
Grades: Secondary
Individual Sports(3)
Grades: Secondary
Music(1)
Grades: Secondary
Academic Clubs(1)
Grades: Secondary
STEM(1)
Grades: Secondary
Languages & Culture(1)
Grades: Secondary
Visual Arts(1)
Grades: Secondary
Service & Leadership(1)
Grades: Secondary
School-specific(16)
Grades: Secondary
Facilities
11 facilitiesSports & Athletics(3)
Academic Facilities(4)
Arts & Performance(1)
Dining(1)
School-specific(2)
Location & Access
Getting There
Port Town West (Osaka Metro Nanko Port Town Line)
Suito International Junior and Senior High School (Main Campus)
10 min walk
Public Transport
Osaka Metro Nanko Port Town Line. Nearest stations: Port Town West (approx. 10 min walk) and Port Town East (approx. 11 min walk).
Coverage Areas: Osaka City and Osaka Prefecture (via Osaka Metro network)
Campuses
Main Campus
Suito International Junior and Senior High School (Main Campus)
3-7-13 Nanko-naka, Suminoe-ku, Osaka City, Osaka 559-0033
Schoozy Insights
Japan's First Public School Operated by a Private Organization
Suito Kokusai opened in 2019 as Japan's first public school under a public-private partnership, managed by Osaka YMCA via national strategic special zone legislation.
Read More
A Pioneering Public-Private Partnership
Osaka Prefectural Suito International Junior and Senior High School (水都国際中学校・高等学校) opened its doors in April 2019, representing a landmark moment in Japanese public education. Established by Osaka City under the National Strategic Special Zone framework, it became Japan's first public school to be operated by a private organization — in this case, Osaka YMCA, which was selected through a rigorous competitive process as the designated management organization (指定管理法人).
The impetus for founding the school was clear: Osaka sought to develop globally competitive human resources who could strengthen the city's international economic competitiveness. Rather than creating a traditional public school, Osaka City opted for a ground-breaking model that combined public funding and oversight with private-sector educational expertise and operational flexibility.
From City to Prefecture
The school launched as a municipal institution under Osaka City, but in April 2022 — after three years of successful operation — it was transferred to Osaka Prefecture's jurisdiction and renamed Osaka Prefectural Suito International Junior and Senior High School (大阪府立水都国際中学校・高等学校). This transfer expanded the catchment area: the junior high school now accepts applicants from across all of Osaka Prefecture, not just the city.
IB Authorization
In a further milestone, the school received authorization from the International Baccalaureate Organization to offer the Diploma Programme (DP) — reportedly the first prefectural public school in Japan to earn this distinction. This dual-language DP (English and Japanese) model made high-quality IB education available at public-school tuition rates, a significant democratization of global education in Japan.
Osaka YMCA's Role
Osaka YMCA, one of Japan's most established civil society organizations, brings decades of experience in international and English education to the partnership. Its involvement enables the school to recruit teachers with international backgrounds, implement innovative curriculum approaches, and maintain a strong global orientation while adhering to MEXT requirements as a recognized Article 1 school (一条校).
Three Pillars of Education: English Immersion, IB Rigour, and Global Citizenship
Suito Kokusai's curriculum rests on three pillars—21st-century skills, international understanding, and cultural identity—delivered through English immersion and the IB Diploma Programme.
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The Three Pillars Framework
Suito Kokusai's educational programme is built around three explicitly stated pillars:
- Acquiring 21st-century skills — communication, self-management, research, social skills, and multi-perspectival thinking
- International understanding education — rooted in Japan's own traditions and culture while developing a global perspective
- Attitudes and competencies for action — enabling students to think and act from a planetary viewpoint
These pillars are not merely rhetorical; they shape the day-to-day learning experience through specific pedagogical choices.
English Immersion Approach
Unlike many Japanese high schools where English is a single subject, Suito Kokusai deploys English across the curriculum. Mathematics, science, and global-issues classes are largely taught in English, supported by native-English-speaking teachers who account for approximately 30% of the faculty. English Language Assistants (ELAs) co-teach in Japanese-medium classes to support EAL learners.
The school's English immersion model is structured to help students achieve approximately Eiken Grade Pre-1 level (CEFR B2) by the time they complete junior high, and to progress to fluent academic English use by senior high graduation.
The IB Diploma Programme
For senior high students who select the IB course (approximately one of three available tracks), the school offers a fully authorized IB Diploma Programme delivered in both English and Japanese (Bilingual Language Programme). Subject groups include:
- Group 1: Japanese A: Language & Literature (HL/SL)
- Group 2: English B (HL/SL) — compulsory for all DP students
- Group 3: History (HL/SL)
- Group 4: Chemistry / Physics (HL/SL)
- Group 5: Mathematics: Analysis and Approaches or Applications and Interpretation (HL/SL)
- Group 6: Visual Arts (HL/SL)
- Core: Theory of Knowledge (TOK), Creativity–Activity–Service (CAS), Extended Essay (EE)
The minimum score for IB Diploma award is 24 points (out of 45), consistent with IBO global standards.
Senior High Course Tracks
From the second year of senior high (equivalent to Grade 11), students choose among three pathways:
- Global Communication Course — humanities-centred, emphasizing language and communication
- Global Science Course — STEM-focused, with science and mathematics in English
- International Baccalaureate Course — full IB DP with bilingual instruction
Year 1 of senior high is a common course, designed partly to help students make an informed choice. University counsellors actively guide students in aligning their academic interests with university field requirements.
Highly Competitive Public School Admissions with a Strong English Focus
Junior high admissions attract 4.45x applicants per place; senior high approximately 1.3x. Interviews are conducted in English, and strong English proficiency is essential.
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Competitive Landscape
Despite being a public school (and therefore charging only public-school tuition), Suito Kokusai attracts enormous demand. The 2021 junior high entrance examination recorded 356 applicants for just 80 places, a competition ratio of 4.45-to-1 — making it by far the most competitive public junior high entrance examination in Osaka Prefecture that year.
The high school entrance examination, open to external applicants (not just internal junior high graduates), is comparatively less intense — approximately 118 applicants for 82 places in 2022 — but still requires above-average English proficiency and academic preparation.
What the Entrance Process Looks Like
Junior High (Year 7 entry):
- Written aptitude test covering Japanese, mathematics, and an English-integrated component
- Student interview (conducted primarily in English)
- Application deadline: typically late October
- Examination: late November
- Results: late January
Senior High (Year 10 entry):
- English reading comprehension and oral English performance test
- Written composition
- Interview (primarily in English; returnee-track applicants may have a Japanese-language parent interview)
- Results: early March
English Proficiency Expectations
The school does not set a formal standardized test score requirement (unlike many private international schools), but English proficiency equivalent to Eiken Grade 2 or above is strongly advantageous, particularly for the IB course track. The examination itself is structured to test real communicative English ability rather than rote grammar knowledge.
Geographic Access
Following the 2022 transfer to Osaka Prefecture, the junior high accepts applications from all of Osaka Prefecture (not just Osaka City residents), significantly broadening the potential applicant pool and further intensifying competition.
No Scholarships or Financial Aid
As a public school, Suito Kokusai does not offer merit scholarships or need-based financial aid programs beyond the standard public-school tuition support mechanisms governed by Osaka Prefecture regulations. The annual tuition of ¥118,800 remains extremely competitive versus private international schools.
GAPS: A Student-Driven Extracurricular Culture with 30+ Active Groups
All extracurriculars operate under the GAPS (Global Action Project in Suito) framework, where student groups propose, present, and self-manage their own activity clubs.
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The GAPS Framework
Suito Kokusai takes an unusually student-centred approach to extracurricular activities through its Global Action Project in Suito (GAPS) system. Rather than top-down club assignments, students who wish to start or join an activity must:
- Find members and form a group
- Apply to the Student Council with a formal proposal and presentation
- Receive Student Council approval before activities can begin
This process mirrors real-world organizational skills and entrepreneurship — students must build a case for why their activity deserves official recognition and resources.
Diversity of Activities
The result is a remarkably diverse ecosystem of over 30 active groups, spanning:
Sports: Rugby, Basketball (Junior High and Senior High separately), Volleyball, Football (Soccer), Baseball, Tennis, Futsal, Swimming, Gymnastics, Gateball, Mölkky (Finnish throwing game)
Arts and Culture: Dance, Light Music Band, Tea Ceremony (Urasenke style), Art Research, Photography, Literature/Creative Writing, Sign Language
STEM and Technology: Minecraft Research, LEGO Robotics, Science Research, Broadcasting Research, Contents Creation (Video Production)
Service and Community: WNB (We Need Breath — environmental/welfare advocacy), Library Fairy (reading promotion), Disaster Preparedness, Earth Lovers Club (environmental activities)
Language: English Room (English conversation practice with native speakers)
Cultural Breadth
The activity list reflects the school's dual identity: deeply Japanese (tea ceremony, competitive karuta, sign language for community inclusion) yet globally oriented (Minecraft, English Room, science competitions, video production). This blend gives students exposure to both traditional Japanese culture and contemporary global skills within a single extracurricular framework.
Operational Model
Most clubs operate on a volunteer/self-managed basis with a faculty advisor. There are no additional club fees required. Competitive sports teams participate in official Osaka-level tournaments, while cultural clubs present at internal showcases and external competitions.
World-Class Education at Public School Prices: Suito's Value Proposition
Suito Kokusai offers IB Diploma, English immersion, and inquiry-based learning for approximately ¥119,000/year in tuition — a fraction of comparable private international schools.
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The Unique Value Equation
Suito Kokusai occupies an almost unique position in the Japanese education market: it delivers education quality — English immersion, IB Diploma Programme, inquiry-based learning, international understanding — that is typically available only at expensive private international schools, but does so at public school tuition rates.
For the 2024 academic year, annual tuition stands at ¥118,800 — approximately USD $800 — compared to ¥2–4 million or more at comparable private international schools in Osaka or Tokyo. Even accounting for first-year costs (entrance fee ¥5,650, uniform approximately ¥42,000, school trip approximately ¥232,000), the total first-year cost of approximately ¥398,850 remains extraordinarily accessible.
University Outcomes
Despite being a young school (opened 2019, first graduates approximately 2025 for the 6-year integrated track), Suito Kokusai has already built a strong university placement record. Recent graduate destinations include:
- National universities: Hokkaido University, Osaka University, Tsukuba University, Hiroshima University, Okayama University, former Osaka City University
- Private selective universities: Waseda University, Keio University, Sophia University, Doshisha University, Kwansei Gakuin, Ritsumeikan
- Volume: Kinki University (50 students), Ritsumeikan (31), Kwansei Gakuin (13), Doshisha (11) in one graduating cohort
The hensachi (standard deviation score) of approximately 58 for the school places it in the selective tier of Osaka public high schools.
Campus and Facilities
Located on a purpose-built campus in Suminoe Ward, Nanko, the school benefits from facilities constructed or renovated in 2019:
- Indoor 25-metre swimming pool
- Full arena gymnasium
- Science laboratories, cooking classroom, music room (soundproofed, with grand piano)
- ICT-equipped classrooms with electronic whiteboards throughout
- Global Studio / Lecture Theatre for presentations and events
- Co-Lab creative learning space
- Library with approximately 10,000 volumes and PC workstations
The campus is approximately 10 minutes on foot from Osaka Metro Nanko Port Town Line stations (Port Town West or Port Town East).
About the School
- Established
- 2019
Mission
Cultivate students' ability to collaborate and creatively contribute to society. (社会に貢献する共創力をみがく)
Educational philosophy
Suito Kokusai's educational philosophy centers on cultivating students' ability to collaborate and creatively contribute to society ('Kyosoryoku'). The school's three pillars are: acquiring 21st-century skills, international understanding education rooted in one's own culture and traditions, and fostering the attitudes and competencies needed to act from a global perspective. Managed by Osaka YMCA under a public-private partnership model, the school aims to develop human resources who can strengthen Osaka's international competitiveness.
Core values
Encourage, Engage, Empower
History
Established in April 2019 by Osaka City as its first public international integrated junior-senior high school, operating under a public-private partnership (公設民営) with Osaka YMCA designated as the managing operator — the first such arrangement for a public high school in Japan. In April 2022, the school was transferred from Osaka City to Osaka Prefecture and renamed Osaka Prefectural Suito International Junior and Senior High School (大阪府立水都国際中学校・高等学校). The school received IB World School authorization for the Diploma Programme around 2020, becoming the first prefectural public school in Japan to do so.
Frequently Asked Questions
What curriculum does Osaka Municipal Suito International Junior & Senior High School teach?
Osaka Municipal Suito International Junior & Senior High School follows the IB Diploma Programme.
Is Osaka Municipal Suito International Junior & Senior High School an IB World School?
Yes, Osaka Municipal Suito International Junior & Senior High School is an IB World School offering the IB Diploma Programme.
How much is annual tuition at Osaka Municipal Suito International Junior & Senior High School?
Annual tuition at Osaka Municipal Suito International Junior & Senior High School ranges from ¥118,800 to ¥398,850 (JPY), depending on the grade level.
What additional fees should I budget for at Osaka Municipal Suito International Junior & Senior High School?
In addition to tuition, Osaka Municipal Suito International Junior & Senior High School charges a registration fee of ¥5,650.
Where is Osaka Municipal Suito International Junior & Senior High School located?
Osaka Municipal Suito International Junior & Senior High School is located in Osaka, Japan.
How many students attend Osaka Municipal Suito International Junior & Senior High School?
Osaka Municipal Suito International Junior & Senior High School has approximately 720 students.
Does Osaka Municipal Suito International Junior & Senior High School provide EAL/ESL support?
Yes, Osaka Municipal Suito International Junior & Senior High School provides EAL (English as an Additional Language) support.
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Last updated: Apr 15, 2026
Sources: the school's official website, accreditation bodies (e.g. IBO, CIS), and public records.