International School Bangkok (ISB) Fees 2025–2026
International School Bangkok (ISB) Fees
International School Bangkok (ISB) offers American and IB curricula. Annual tuition is in the premium band: primary around THB 700,000–900,000; secondary and IBDP higher, often THB 850,000–1,000,000+ per year.
Fee overview (indicative)
- Primary: Approx. THB 700,000–900,000 per year
- Middle school: Approx. THB 800,000–950,000 per year
- High school / IBDP: Approx. THB 850,000–1,000,000+ per year
Additional costs
- Registration / enrolment: One-off; can be THB 100,000–200,000+.
- Capital development: Check school schedule.
- Learning support / EAL: Extra if required.
- IB exam fees: Not included in tuition.
Curriculum
- American curriculum (primary and middle)
- IB Diploma in high school
- Extensive facilities and university placement
Always confirm fees on the school’s website. See our Bangkok fees comparison and most expensive schools.
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