Charter International School
International School in Bangkok
Quick answer
Charter International School Bangkok is a smaller British-IB international school of about 280 students from 30 nationalities, offering IGCSE and A-Level qualifications alongside an IB pathway. Annual tuition runs $7,000-$16,000 USD (true cost ~$13,500), at the lower end of Bangkok's international school pricing. Admissions are competitive despite the open-feel community size; best suited to families wanting smaller class sizes and dual British/IB optionality at a more accessible price point.
Key facts
- Curriculum: British, IB leaving qualifications include IGCSE and A-Levels.
- Tuition: $7,000–$16,000/yr published annual range.
- Avg class size: 20 (max 25) Bangkok international school · 280 students total.
- 30 nationalities top: Thai.
- Ages: 2-18 school day starts at 8:00.
- Accreditations: CIS, IBO verified.
280
30 (Thai)
20 avg / 25 max
Rolling
CIS, IBO
IGCSE and A-Levels
About Charter International School
Charter is a ‘family’ school, where its youngest and oldest students work and live happily side by side, and its favourable pupil-teacher ratio means that each child is an individual and receives the needed academic and social support.
| Item | Amount |
|---|---|
| Annual tuition (USD) | $7,000 – $16,000 |
| Annual tuition (local) | 273000 ฿-551400 ฿ |
| Fee year | 2025-2026 |
| True annual cost (with hidden fees)how we calculate | $13,500(+17%) |
| First-year total (with registration + deposit) | $15,000 |
| Cost position in Bangkok | 81th percentile(premium tier) |
Hidden costs & fee notes
British curriculum + IB Diploma option. Located in Lat Krabang (near airport). Good value for money.
British, IB
IGCSE and A-Levels
IGCSE, A Levels
Thai, Mandarin
moderate
Learning Support.
English Language Support is available for students in the primary and secondary school who require extra help learning English. The aim of the ELS programme is to improve the students’ command of the English language as quickly as possible so they can fully take part in all mainstream lessons.
8:00 – Nursery: 12:00 Higher grades: 14:45
Yes
Recommended neighborhoods
Lat Krabang, Suvarnabhumi, Bangna, On Nut
Is Charter International School right for your family?
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At a Glance
Fee Position in Bangkok
Budget-friendlySchool Profile
Class Size
Student Diversity
Highly diverse
Common: Thai
Estimated Real Cost
Tuition + registration, transport, uniform, exams
British curriculum + IB Diploma option. Located in Lat Krabang (near airport). Good value for money.
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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.