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International School Bangkok

Part of International Schools Association (ISA), Secular, Founded 1951

Updated July 2026

9:1Student : teacher
Non-profitOwnership

International School Bangkok (ISB) is a premier, independent, not-for-profit international school in Thailand, serving a diverse community of students from over 60 nationalities. Founded in 1951, it provides a rigorous, globally recognized education from Pre-Kindergarten to Grade 12.

Teaching approach

The school is an independent, not-for-profit institution that prioritizes student agency, inquiry, and critical thinking. It aims to prepare students to become leaders who can meet the ever-changing needs of the world. The educational approach is inclusive and personalized, focusing on the growth and well-being of each student.

Programmes

The school offers an accredited international curriculum that combines American educational philosophy with globally recognized pathways, including the International Baccalaureate (IB) Diploma and Advanced Placement (AP) Capstone. The academic structure includes Early Childhood (Reggio Emilia-inspired, play-based), Elementary School (literacy, numeracy, and social-emotional growth), Middle School (critical thinking, collaboration, and leadership), and High School (IB, AP, and hybrid pathways). Additionally, the school provides a sequential Outdoor Education program for middle school students.

Outcomes

Graduates of the school attend prestigious universities and colleges worldwide. The school's curriculum is designed to be highly transferable, ensuring students are prepared for success in an interconnected world. Students are equipped with the knowledge, skills, and values to become caring global citizens and leaders.

Student support

EAL support
Unknown
Learning support
Unknown

Learning support

The school provides dedicated student support programs and services throughout the school year at every level. These services are designed to address individual student needs and ensure they thrive academically, socially, and emotionally. Additionally, four highly experienced counselors are available to guide students through university counseling and other personal support needs.

Frequently asked questions(4)
What curriculum does International School Bangkok offer?
International School Bangkok offers IB Diploma and Advanced Placement.
How much is tuition at International School Bangkok?
Annual tuition at International School Bangkok is THB 659K–THB 1.2M. Fees vary by year group — confirm the current schedule with the school.
What accreditations does International School Bangkok hold?
International School Bangkok holds accreditations including WASC, IB and CIS.
Where is International School Bangkok located?
International School Bangkok is an international school in Bangkok, Thailand.

Tuition & fees

Annual tuition by grade

2026/27
Annual tuition by grade
GradeAgesAnnual
Pre-Kindergarten3–4THB 659K
Elementary (Grades KG-5)5–10THB 1M
Middle (Grades 6-8)11–13THB 1.1M
High (Grades 9-12)14–18THB 1.2M
Life Centered Education (Additional to tuition fees)THB 980K
Other fees(5)
Other fees
Application fee· Payable when an application is submitted, non-refundableTHB 4.7K
Registration fee· One-time fee payable the first year a student enrolls in Kindergarten through Grade 12, non-refundableTHB 260K
Enrolment fee· Yearly non-refundable fee payable by all students enrolled in Kindergarten through Grade 12 (or 11,000 baht per semester)THB 22K
Registration fee· International School Association (ISA) Membership feeTHB 10
Bus / transport· Two-way air-conditioned bus fee. Ranges from 111,300 THB (1-5 km) to 178,000 THB (46-55 km) per year.THB 111.3K

Admissions

The admissions process is designed to support families relocating to Thailand. Prospective families are invited to inquire, schedule a campus visit, or arrange a Zoom call with the admissions team. The application process includes submitting an online application with required documentation, followed by an assessment and interview to ensure a suitable fit for the student and family.

Calendar

The school operates on a calendar that includes standard academic terms and observes Thai public holidays. The school year typically runs from August through the following June, with specific dates for breaks and holidays available on the school's website. The admissions office operates Monday through Friday, 7:00 am to 4:00 pm, excluding Thai public holidays.

Facilities

Swimming poolSports fieldGymnasiumFitness centreClimbing wallPlaygroundLibraryDining hallScience labsSTEM labArt roomMusic roomTheatre / auditoriumBoarding

About the campus

The school is located on a purpose-built, 1,700-student campus within the Nichada Thani residential community. Facilities include modern classrooms with air filtration systems, design and robotics labs, visual art labs, libraries, and professional-grade performing arts theaters. Athletic facilities include fields and venues for international-level sports, while the school also maintains an Environmental Wilderness Campus (EWC) in Petchaburi Province, which features student accommodation, a swimming pool, a climbing wall, and classrooms for outdoor education.

Co-curriculars

ISB offers a comprehensive range of after-school activities, enrichment clubs, and sports teams. The athletics program is renowned across Asia, supported by world-class facilities that allow for international-level competition. Additionally, the school hosts various community events, adult education classes, and arts programs.

  • Debi Caskey
    Debi CaskeyActing Head of School / Deputy Head of School for Learning
  • Marc de VriesDeputy Head of School/CFO
  • Usa SomboonHeadmistress
  • Pery AwadExecutive Director of Human Resources
  • Kate Mc KennaHS Principal
  • Dennis HarterMS Principal
  • Dr. Michael AllenES Principal