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International School Bangkok (ISB)

Thailand, Bangkok

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· Reviewed by · B2C Marketing Manager

Independently researched by doris.
Not yet claimed by the school
The school at a glance
Instructs in English
Fees THB 640,000 - 1,162,000
Ages 3 - 18 years
Pupil numbers 1800
Type Co-educational
Opened 1951
Bus Service Yes
Availability Not shared by this school
Academic offering
Curriculum IB (DP), Advanced Placement (AP), American Curriculum
Taught languages English, French, Mandarin, Spanish, Thai
Typical class size 20
Strengths Sport, Performing Arts, Visual and Creative Arts, STEM, Outdoor Education
Clubs Academic and Intellectual, Arts and Creative, Cultural and Language, Community and Service, Leadership and Professional
Stages Elementary, Middle School, High School
Introduction

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.

www.isb.ac.th

39/7 Soi Nichada Thani, Samakee Road, Amphur Pakkret, Nonthaburi 11120 Thailand

Vibes and Culture
The school has not added this information
The Essentials

International School Bangkok (ISB) has 1,800 pupils, typical class sizes of 20, instruction in English.

Location
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.

Stages
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).

Type
ISB is a private, co-educational day school serving international students from Pre-K through Grade 12.

Additional learning support
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.

Country affiliation
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.

Religious affiliation
ISB is a non-sectarian school with no religious affiliation.

School day structure
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).

Bus service
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.
Diving Deeper
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Fees

Annual tuition at International School Bangkok (ISB) ranges from THB 640,000 to THB 1,162,000 for 2026/27.

Application and Registration Fees:

Application Processing Fee: THB 4,700 (non-refundable, payable upon application).
Registration Fee: THB 260,000 (one-time, non-refundable unless withdrawal occurs within the first 20 days of enrollment).

Annual and Membership Fees:

Annual Fee: THB 22,000 per year or THB 11,000 per semester (non-refundable; applicable to Kindergarten through Grade 12).
International School Association (ISA) Membership Fee: THB 10 per year.

Tuition Fees for 2025/26:

Pre-Kindergarten : THB 640,000 per year
Elementary : THB 985,000 per year
Middle : THB 1,104,000 per year
High : THB 1,162,000 per year
Life Centered Education (Additional to tuition fees) : THB 980,000 per year

Payment Methods:

Payments can be made via cash, check, credit card (Visa, MasterCard, Amex), or wire transfer.
All payments must be in Thai Baht, net of any bank charges.
A late payment fee of 0.75% per month applies to overdue payments.

Refund Policy:

The registration fee is refundable only if a new student withdraws within the first 20 days of enrollment.
Tuition and transportation fees are prorated if a student withdraws before completing 50 days of a semester.
Academics

International School Bangkok (ISB) teaches IB (DP), Advanced Placement (AP), American Curriculum for students aged 3 to 18.

Curriculum
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.

Academic calendar
Wellbeing
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Parent Experience
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Facilities
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Extra-Curricular Activities
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Languages
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Reputation
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Admissions

Admissions
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.

Scholarships
ISB does not publicly advertise scholarship programs.

Waitlist
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.
School Events
The school has not added events
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