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Established in 1951, the International School Bangkok (ISB) is Thailand’s first international school, located in the Nichada Thani community, approximately 20 kilometers north of downtown Bangkok. ISB offers a U.S.-based curriculum integrated with the International Baccalaureate (IB) Diploma Programme and Advanced Placement (AP) courses, catering to students aged 3 to 18. The school emphasizes small class sizes, particularly in lower elementary grades, to provide personalized instruction. With approximately 1,800 students, ISB fosters a diverse and inclusive community. The campus boasts facilities supporting STEM education, performing and visual arts, and offers a wide range of extracurricular activities, including community service projects. ISB provides a school bus service, ensuring convenient transportation for families across Bangkok.
39/7 Soi Nichada Thani, Samakee Road, Amphur Pakkret, Nonthaburi 11120 Thailand
International School Bangkok (ISB) has 1,800 pupils, typical class sizes of 20, instruction in English.
International School Bangkok is located in the Nichada Thani estate in Nonthaburi, a suburb to the northwest of central Bangkok. The area is a gated residential community popular with expatriate families. ISB is approximately a 30–45 minute drive from downtown Bangkok, depending on traffic.
ISB is divided into three main divisions: Elementary School (Pre-Kindergarten to Grade 5), Middle School (Grades 6 to 8), and High School (Grades 9 to 12).
ISB is a private, co-educational day school serving international students from Pre-K through Grade 12.
ISB provides a range of support services for students with additional learning needs through its Learning Support and Intensive Needs programs. These include individualized support plans, small group or one-on-one instruction, and collaboration with classroom teachers. The school also offers access to counselors, English as an Additional Language (EAL) specialists, and educational psychologists where appropriate.
The school does not have a formal affiliation with any single country, though it primarily follows a U.S.-based curriculum and serves an international student population.
ISB is a non-sectarian school with no religious affiliation.
The school day runs from 7:35 am to 1:10 pm for Pre-K. Elementary students attend from 7:35 am to 2:25 pm (1:50 pm on Wednesdays), Middle School from 7:40 am to 2:45 pm (2:00 pm on Wednesdays), and High School from 7:45 am to 2:50 pm (2:00 pm on Wednesdays).
ISB provides a door-to-door school bus service within the Nichada Thani estate and surrounding areas. The service is operated in partnership with Montri Transport, a company experienced in school transportation. Buses are air-conditioned, supervised by bus monitors, and follow strict safety protocols. After-school activity buses are also available for students participating in extracurricular programs.
Annual tuition at International School Bangkok (ISB) ranges from THB 640,000 to THB 1,162,000 for 2026/27.
International School Bangkok (ISB) teaches IB (DP), Advanced Placement (AP), American Curriculum for students aged 3 to 18.
International School Bangkok (ISB) offers a U.S.-based curriculum enriched with international standards, providing a cohesive educational experience from Pre-Kindergarten through Grade 12. In the early years and elementary levels, the focus is on inquiry-based learning across core subjects, arts, physical education, and world languages. Middle School (Grades 6–8) continues this approach, integrating interdisciplinary studies and social-emotional learning. High School students can pursue the ISB High School Diploma, the International Baccalaureate (IB) Diploma, Advanced Placement (AP) courses, or a hybrid pathway combining IB and AP courses. The curriculum is accredited by the Western Association of Schools and Colleges (WASC) and is designed to be transferable for globally mobile families.
ISB integrates social and emotional learning through its counseling services, which address students' academic, social, and emotional needs. The school provides universal services for all students, targeted small-group support, and intensive interventions for those with higher needs. Counselors collaborate with students, parents, and faculty to ensure appropriate levels of care .
ISB supports students with mild to intensive learning needs, including intellectual and developmental disabilities. The school offers in-class and small group support targeting individualized goals, and collaborates with classroom teachers to provide differentiated instruction and accommodations. An Elementary Intensive Needs program serves students requiring highly individualized education focusing on independence and life skills, supported by special educators and related professionals such as speech-language pathologists and occupational therapists .
ISB provides English as an Additional Language (EAL) courses where students learn and practice vocabulary, structures, and language functions necessary to access the content curricula. EAL support teachers collaborate with homeroom or subject teachers through regular planning and co-teaching to support language acquisition .
ISB's counseling services address students' academic, social, and emotional needs, providing universal services for all, targeted small-group support, and intensive interventions for students with higher needs. Counselors work collaboratively with students, parents, and faculty to ensure every student receives appropriate care .
ISB has developed comprehensive safeguarding policies and procedures aligned with international guidance on children's rights, local legislation on child welfare, and global best practices. A dedicated Safeguarding Committee coordinates all child protection efforts across the school, working closely with administration, counselors, and external experts to ensure that safeguarding measures are consistently upheld and regularly reviewed .
1. Book a campus visit or virtual tour.
Families are encouraged to schedule a visit to explore the campus and meet the admissions team. This can be arranged through ISB’s admissions portal.
2. Complete the online application.
Submit the application via ISB’s OpenApply platform. Required documents include academic records, birth certificate or passport, immunization records, and teacher recommendations. A non-refundable application fee of ฿4,700 is payable at this stage.
3. Assessment and interview.
Depending on the grade level, students may be required to undergo assessments or interviews to determine appropriate placement. The admissions team will provide details after reviewing the application.
4. Receive admission decision.
The admissions committee reviews applications holistically. Decisions are communicated via email, and successful applicants will receive an offer letter outlining the next steps.
5. Confirm enrollment.
To secure a place, families must pay a non-refundable registration fee of ฿260,000 within the specified timeframe. Additional enrollment documents may be required at this stage.
ISB does not publicly advertise scholarship programs.
ISB operates a waitlist system when grade levels reach capacity. Applicants are placed on the waitlist based on the date of application completion and other criteria. The admissions team contacts families as spaces become available.