International School · Day School · Through School (K-12)
Grace International School
Chiang Mai, Thailand
Last updated: Jun 20, 2026
Grace International School (GIS) is a Christ-centered K–12 international school founded in 1999 in Chiang Mai, Thailand, serving over 500 students from 40+ countries on a 37-acre campus. Operating an American-style curriculum integrated with a Biblical worldview, GIS offers AP and SAT preparation alongside strong arts, sports, and service programs. The school primarily serves international Christian worker families and missionaries, providing quality, affordable education that enables families to remain on the mission field. Accredited by WASC and ACSI, GIS fosters a tight-knit multicultural community united by shared faith and academic ambition.
- Curriculum
- US Curriculum / AP
- Annual Tuition
- THB 269,500.00 - THB 330,500.00(2024-2025)≈ $8,033 - $9,851
- Students
- ~500
- Nationalities
- 40+
Overview
Grace International School is an international US Curriculum, Advanced Placement (AP) school for ages 5–18 in Chiang Mai, Thailand. Founded in 1999, it has approximately 500 students from 40+ nationalities. The language of instruction is English. ...
At a Glance
US curriculum with AP courses — WASC and ACSI accredited, preparing students for SAT and AP exams through American-style education integrated with Biblical worldview.
Mission community school — 500+ students from 40+ countries, primarily children of international Christian workers serving across Southeast Asia.
English proficiency required — grades 9–12 applicants must have completed at least 2 years of English-medium education; all students undergo interview and standardized testing.
Mid-range tuition — THB 269,500–330,500 annually (K–Grade 12), plus THB 67,000 entrance fee and THB 28,000 yearly capitalization fee; church-supported families receive reduced rates.
Best for Christian missionary families needing affordable, faith-integrated American education that allows them to continue serving abroad without compromising children's academic or spiritual development.
Tuition & Fees
Annual Tuition
THB 269,500.00 - THB 330,500.00(2024-2025)≈ $8,033 - $9,851
Application Fee
THB 67,000.00≈ $1,997
Est. First Year Total
THB 399,500.00≈ $11,907
Tuition by Grade
| Grade | Annual Tuition | Application Fee | Deposit |
|---|---|---|---|
| G12/Y13 | THB 330,500.00≈ $9,851 | THB 2,000.00≈ $60 | - |
Additional Fees
Enrolment Fee
THB 67,000.00≈ $1,997
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
Accreditations & Memberships
4 accreditationsAdmissions
Admissions Overview
GIS admissions are primarily open to children of international Christian workers and missionary families, though other applicants may be considered. The process involves submitting an online application with supporting documents (passport, birth certificate, immunization records, prior school transcripts, and teacher/principal recommendations), followed by an English interview and writing sample, an English proficiency test (for applicable grades), and a standardized academic test. English background requirements increase with grade level: none for K–G2, one year of English schooling for G3–G8, and two years for G9–G12. The main admissions season runs from February to May each year, with a waitlist for non-member applicants.
Requirements
Grades 9–12
English Requirement: Advanced English
Interview Required (In-person)
Application Fee: 2,000
Kindergarten (KG1–KG2)
English Requirement: No English requirement
Interview Required (In-person)
Application Fee: 2,000
Grades 6–8
English Requirement: Intermediate English
Interview Required (In-person)
Application Fee: 2,000
Grades 1–5
English Requirement: Basic English
Interview Required (In-person)
Application Fee: 2,000
Key Dates
Start of the 2025-2026 academic year.
Last day of Semester 1 for the 2025-2026 academic year.
Beginning of Semester 2 for the 2025-2026 academic year.
Last day of the 2025-2026 academic year.
Main admissions season for 2026-2027 entry runs February to May 2026.
Register →Start of the 2026-2027 academic year.
End of the 2026-2027 academic year.
School Life
- Term system
- 2-semester with 4 quarters
- Uniform
- Required
- Lunch
- cafeteria
Support & Wellbeing
- Counsellors
- 1
Co-curricular Activities
27 activitiesTeam Sports(3)
Grades: Primary · Secondary
Individual Sports(2)
Grades: Primary · Secondary
Drama & Theatre(1)
Grades: Secondary
Academic Clubs(5)
Grades: Primary · Secondary
STEM(2)
Grades: Primary · Secondary
Visual Arts(2)
Grades: Primary · Secondary
Service & Leadership(1)
Grades: Secondary
School-specific(11)
Grades: Primary · Secondary
Facilities
12 facilitiesSports & Athletics(2)
Arts & Performance(1)
Outdoor Spaces(1)
Dining(1)
School-specific(7)
Campuses
Main Campus
Grace International School – Hang Dong Campus
88 M.3 Harn Kaew, Hang Dong, Chiang Mai 50230, Thailand
Schoozy Insights
AP, SAT, and Biblical Worldview: GIS's Academic Identity
GIS combines a rigorous US-aligned curriculum with AP and SAT preparation, all taught through an explicitly Christian lens by a dedicated faculty.
Read More
American Curriculum, Christian Context
Grace International School follows an American-style K–12 curriculum, making it one of the few schools in northern Thailand to offer this pathway. The curriculum is designed to prepare students for university admission in the United States and other English-speaking countries, with Advanced Placement (AP) courses and SAT preparation available at the high school level.
What distinguishes GIS from other American-curriculum schools is the explicit integration of Biblical worldview across all subjects. Teachers are expected to be practicing Christians who can authentically connect their academic disciplines to a Christian understanding of the world. This is not a superficial addition — it is central to the school's educational philosophy and hiring criteria.
Academic Programs and Qualifications
GIS offers AP courses in subjects including Calculus, Biology, Chemistry, Physics, English Language, English Literature, and US History, among others. Students also prepare for the SAT, which, combined with AP scores, provides a strong foundation for US university applications.
The school uses a US-style GPA system for internal assessment, providing students with transcripts that are directly comparable to American high school records. This is particularly valuable for the school's predominantly missionary-family student body, many of whom will eventually return to the United States for higher education.
Faculty and Class Sizes
GIS employs approximately 50 teachers for a student body of over 500, yielding a student-to-teacher ratio of approximately 12:1. Average class sizes range from 20 to 22 students, with a maximum of around 24 per class. These relatively small class sizes allow for personalized attention and the kind of mentoring relationships that are central to the school's pastoral culture.
All teachers are required to be committed Christians, ensuring that the Biblical worldview integration is authentic rather than performative. Many faculty members are themselves from missionary backgrounds, giving them a deep understanding of the third-culture-kid experience that characterizes much of the student body.
Support Services
GIS provides English as an Additional Language (EAL/TESOL) support for students who need it, as well as an Individual Learning Plan (ILP) program and Guided Study Halls for students requiring additional academic support. A school counselor is available campus-wide, and health services are provided by a school nurse. These support structures ensure that students from diverse linguistic and academic backgrounds can access the full curriculum.
A Global Missionary Community: 40+ Nations on One Campus
GIS brings together students from over 40 countries, all connected by a shared evangelical Christian faith and a transient missionary lifestyle.
Read More
The World's Mission Field in One School
Grace International School is one of the most internationally diverse schools in Thailand, with students representing more than 40 nationalities on a single 37-acre campus in Chiang Mai. Yet unlike most international schools where diversity is incidental, at GIS it is purposeful: every family is connected to the global evangelical missionary movement.
Students come from families affiliated with over 85 evangelical organizations, serving across Southeast Asia and beyond. This shared identity creates a uniquely cohesive community despite the extraordinary cultural diversity. Children who might otherwise feel isolated as "third culture kids" — growing up between their passport country and their host country — find at GIS a peer group that understands their experience intimately.
The Third Culture Kid Experience
Approximately 90% of GIS students are international, with only around 10% being local Thai students. This demographic profile means that the school is deeply attuned to the challenges of transient, cross-cultural childhoods. Students frequently move between countries as their parents' mission assignments change, and GIS provides continuity — a consistent academic framework, a familiar faith community, and a school culture that travels with them.
The school's American curriculum ensures that students can re-enter the US education system at any point, while the Christian community provides spiritual and social anchoring regardless of where a family has been stationed.
Community Life Beyond the Classroom
Community at GIS extends well beyond academics. The school's extracurricular program includes service activities like Night Bazaar Evangelism and "The Blessing Directive," which connect students to the broader mission work their parents are engaged in. Student Council, Chapel Team, and Bible Club further reinforce the sense of shared purpose.
Athletics also play a significant role in community building. GIS fields competitive teams in basketball, soccer, volleyball, swimming, cross country, and futsal, competing against other international schools in the region. The Rec League provides recreational options for students who want to participate without the pressure of competitive sport.
A Church-School Partnership
GIS maintains a formal relationship with the missionary church community. Member families — those affiliated with recognized evangelical organizations — receive priority in admissions and discounted tuition. This structure ensures that the school remains true to its founding mission while also creating a financial model that makes quality education accessible to families who have often sacrificed financial security for their calling.
37 Acres of Purpose-Built Campus in Chiang Mai's Hang Dong District
GIS occupies a large, secure 37-acre campus in rural Hang Dong with dedicated academic buildings, sports facilities, and ambitious expansion plans.
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A Campus Designed for Community
Grace International School's main campus is located at 88 M.3 Harn Kaew, Hang Dong, Chiang Mai — a semi-rural setting approximately 30 minutes from Chiang Mai International Airport. The campus spans 37 acres and is divided into distinct academic and athletic zones, providing students with ample space for both study and recreation.
The campus currently comprises seven buildings: an Administration Building (housing the library and staff offices), an Elementary School Building, a Middle School Building, a High School Building, a Cafeteria, a Facilities Building, and a Fitness Center. Outdoor facilities include full-size and covered basketball and volleyball courts, and soccer fields.
Safety and Security
GIS places a strong emphasis on campus safety. The school operates a 24-hour security system with CCTV coverage and on-site police presence, reflecting both the school's duty of care to its students and the practical realities of operating in a semi-rural Thai location. The campus is described as a safe, contained environment where students can move freely between buildings.
Ambitious Expansion Plans
GIS is in the process of significantly expanding its facilities. Three major projects are underway or planned: the Tiger Fieldhouse & Gymnasium (a new indoor sports facility), an Auditorium, and a Performing Arts Center. These additions will substantially enhance the school's capacity for athletics, whole-school gatherings, and the performing arts — areas where the current facilities are acknowledged to be limited.
Campus Life and Atmosphere
The campus atmosphere at GIS is described as warm, family-like, and faith-centered. With just over 500 students across K–12, the school is small enough that students and teachers know each other well. The cafeteria serves hot meals daily to all grade levels, and the Tiger Shop provides school uniforms and supplies on-site.
The rural setting, while limiting in terms of urban amenities, contributes to a focused, community-oriented atmosphere. Students are largely on campus throughout the school day, and the shared faith identity creates a sense of belonging that many families cite as a key reason for choosing GIS.
Faith-Integrated Education: GIS's Biblical Worldview Approach
GIS weaves Christian faith into every academic subject, equipping students with both scholarly excellence and a Biblical worldview to serve globally.
Read More
A School Built on Mission
Grace International School (GIS) was not founded as a conventional international school. It was established in 1999 specifically to solve a crisis facing the evangelical missionary community in Southeast Asia: families serving abroad were being forced to return home because their children had no access to quality education in Chiang Mai.
This founding purpose shapes everything about GIS. The school's mission is explicit: "GIS exists so that international Christian workers are enabled to remain abroad due to the educational and spiritual needs of their children being met." Education here is not merely academic preparation — it is a form of ministry support.
Biblical Worldview Across the Curriculum
GIS operates an American-style K–12 curriculum, but every subject is taught through a Biblical worldview lens. This means that mathematics, science, history, and literature are all framed within a Christian understanding of truth, purpose, and human dignity. Students are not simply taught what to think, but why knowledge matters in the context of faith.
The school's vision articulates this clearly: "every student will know who they are in Christ, that they will experience a quality education in an inspiring learning environment, and that they will be equipped with a Biblical worldview to impact the world for Christ."
Core Values in Practice
GIS's five core values — To Follow Jesus, To Pursue Excellence, To Cultivate Community, To Partner with Parents, and To Enable International Christian Workers — are not merely aspirational statements. They are embedded in daily school life through chapel, Bible classes, service programs like "The Blessing Directive," and extracurriculars such as Bible Club and Chapel Team.
The school's partnership with parents is particularly emphasized. GIS views education as a three-way covenant between the school, the family, and the church community, with parents treated as primary educators whose values the school reinforces rather than replaces.
Academic Rigor Within a Faith Framework
Despite its strong religious identity, GIS maintains serious academic standards. The school offers AP courses and SAT preparation, and students graduate with qualifications recognized by universities worldwide. The dual accreditation from WASC (Western Association of Schools and Colleges) and ACSI (Association of Christian Schools International) ensures that GIS meets both secular academic benchmarks and Christian educational standards.
This combination — rigorous academics within an explicitly Christian environment — is the school's defining characteristic and its primary draw for the missionary families it serves.
Faith-First Admissions: How GIS Selects Its Students
GIS prioritizes children of evangelical Christian workers, with a structured multi-step admissions process and increasing English requirements by grade level.
Read More
Who GIS Is For
Grace International School is not a general-purpose international school. Its admissions process begins with a fundamental question: is the applicant's family part of the international Christian worker community? Member families — those affiliated with recognized evangelical mission organizations — receive priority in admissions and access to reduced tuition rates. Non-member families may apply but are typically placed on a waitlist and considered only after the main admissions season (February to May) has concluded.
This faith-based admissions philosophy is unusual among international schools and reflects GIS's founding purpose: to serve the missionary community, not the general expatriate population.
The Admissions Process
For families who qualify, the admissions process is thorough and multi-step:
- Online Application — Submission of the application form with a 2,000 THB application fee.
- Documentation — Passport copies, birth certificate, immunization records, prior school transcripts (two years), and teacher/principal recommendations.
- English Interview — Conducted in person (no remote option), including a writing sample. This is a non-negotiable step.
- English Proficiency Test — Required for applicable grades, with a 1,500 THB fee.
- Standardized Academic Test — Covering English and mathematics, with a 1,500 THB fee.
- Admission Decision — Communicated via official letter.
English Requirements by Grade
GIS has clear, grade-differentiated English background requirements:
- Kindergarten – Grade 2: No prior English schooling required.
- Grades 3–5: At least one year of English-medium schooling immediately prior to application.
- Grades 6–8: At least one year of English-medium schooling.
- Grades 9–12: At least two years of English-medium schooling.
These requirements reflect the increasing academic demands of the American curriculum at higher grade levels, where English fluency is essential for success in AP courses and standardized testing.
Selectivity and Waitlists
GIS does not publish an acceptance rate, but the school is described as selective within its target community. The waitlist is a real feature of the admissions process, particularly for non-member families applying outside the main season. Families are advised to apply early and to ensure their documentation is complete before the February opening of the admissions cycle.
Sources
About the School
- Established
- 1999
Mission
Grace International School is a quality, affordable Christian school in Chiang Mai, Thailand. GIS exists so that international Christian workers are enabled to remain abroad due to the educational and spiritual needs of their children being met. These needs include access to distance education support, adaptive instruction, and tools that enable students to grow in their personal faith journey with the Lord.
Educational philosophy
GIS believes that education is most effective when academic excellence and spiritual formation are pursued together. Every subject is taught through a Biblical worldview, equipping students not only with knowledge and skills but with a faith-rooted identity and a sense of calling to impact the world for Christ. The school partners closely with parents and the broader missionary community, viewing education as a shared responsibility between home, church, and school.
Core values
To Follow Jesus, To Pursue Excellence, To Cultivate Community, To Partner with Parents, To Enable International Christian Workers
History
Grace International School was founded in 1999 in Chiang Mai, Thailand, in response to a critical need: international Christian workers were being forced to return home because their children lacked access to quality education. The school was established by the missionary community to provide K–12 American-style education grounded in Biblical values. Over the following decades, GIS expanded its campus to 37 acres with multiple academic buildings, a cafeteria, fitness facilities, and outdoor sports courts. The school obtained dual accreditation from WASC and ACSI, cementing its academic credibility. Today GIS enrolls over 500 students from more than 40 nations and continues to grow, with a Tiger Fieldhouse, Auditorium, and Performing Arts Center under development.
Frequently Asked Questions
What curriculum does Grace International School teach?
Grace International School offers US Curriculum and Advanced Placement (AP).
How much is annual tuition at Grace International School?
Annual tuition at Grace International School ranges from THB 269,500 to THB 330,500 (THB), depending on the grade level.
What additional fees should I budget for at Grace International School?
In addition to tuition, Grace International School charges a registration fee of THB 67,000.
What are the admission requirements for Grace International School?
GIS admissions are primarily open to children of international Christian workers and missionary families, though other applicants may be considered. The process involves submitting an online application with supporting documents (passport, birth certificate, immunization records, prior school transcripts, and teacher/principal recommendations), followed by an English interview and writing sample, an English proficiency test (for applicable grades), and a standardized academic test. English background requirements increase with grade level: none for K–G2, one year of English schooling for G3–G8, and two years for G9–G12. The main admissions season runs from February to May each year, with a waitlist for non-member applicants.
When is the application deadline for Grace International School?
The application deadline for Admissions Season Close (2026-2027 Entry) is 2026-05-31.
Where is Grace International School located?
Grace International School is located in Chiang Mai, Thailand.
What ages does Grace International School accept?
Grace International School accepts students from age 5 to 18.
How many students attend Grace International School?
Grace International School has approximately 500 students from 40+ nationalities.
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Last updated: Jun 20, 2026
Sources: the school's official website, accreditation bodies (e.g. IBO, CIS), and public records.