Tsi International School Bangkok
International School in Bangkok
Quick answer
Tsi International School Bangkok offers Other education. At $5,000–$15,000/year, it sits below the Bangkok average — offering strong value. Graduates leave with IGCSE and A-Levels.
Key facts
- Curriculum: Other leaving qualifications include IGCSE and A-Levels.
- Tuition: $5,000–$15,000/yr published annual range.
- Avg class size: 16 (max 20) Bangkok international school · 500 students total.
- 35 nationalities top: Thai / Thai-Indian.
- Ages: 3-18 school day starts at Primary School - 7:55am / Secondary School: 7:45am.
500
35 (Thai / Thai-Indian)
16 avg / 20 max
Rolling
IGCSE and A-Levels
About Tsi International School Bangkok
TSI is a thriving, family-orientated school, with a incredibly strong sense of community. There are 35 nationalities across our two campuses (October 2024). We employ highly committed, western-qualified teachers who deliver the English National Curriculum using engaging inquiry-based teaching strategies.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $5,000 – $15,000 |
| Annual tuition (local) | 240000 ฿-375000 ฿ |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $12,000(+20%) |
| First-year total (with registration + deposit) | $13,500 |
| Cost position in Bangkok | 78th percentile(premium tier) |
Hidden costs & fee notes
Verify fees directly with school. Fees may not include registration, transport, or exam costs.
Other
IGCSE and A-Levels
Cambridge International Examinations
Our students' results compare very well to Bangkok's top international schools year after year. In 2023, our students' average IGCSE results well-exceeded those marketed by other international schools.
Thai, Mandarin, Hindi and Punjabi
We offer tailored EAL support. We accept a limited number of students with special educational needs (SEN).
Yes.
Yes
Primary School - 7:55am / Secondary School: 7:45am – Primary School - 2:40pm / Secondary School: 3:30pm
Primary School - all students are served lunch by 'EPICURE' who provide children with food at many of Bangkok's 'top' schools. Secondary School - students buy their own lunch from our cafeteria.
We offer vegetarian and non-vegetarian choices each day. At our primary school, EPICURE has an on-site nutritionalist to advise on daily meals for children with special dietary requirements.
Is Tsi International School Bangkok right for your family?
A School Fit Brief scores this school against your children's ages, learning needs, and budget — with hidden fee analysis, admissions timing, and a ranked shortlist of alternatives in Bangkok.
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At a Glance
Fee Position in Bangkok
Budget-friendlySchool Profile
Class Size
Student Diversity
Highly diverse
Common: Thai / Thai-Indian
Estimated Real Cost
Tuition + registration, transport, uniform, exams
Verify fees directly with school. Fees may not include registration, transport, or exam costs.
Decide on this school — and four others
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Nearby Schools (within 5km)
Disclaimer: School profiles are source-backed decision aids, not endorsements or official rankings. Tuition figures are approximate and may not include registration fees, uniforms, transport, or exam costs. Always verify directly with the school before applying. WhereNext is not affiliated with any school listed. This is not admissions consulting, legal advice, or official school placement guidance.