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School Fees - 2026/27
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We offer 3 different payment options as follows: 10 monthly Payments, 3 Termly Payments, or 1 Single Payment. Students must be enrolled for the full academic year to qualify for either the 10 Monthly Payment option or 1 Single Payment option. The Single Payment Option provides a 5% discount on the Annual School Fee.
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School Fees include teacher tuition, all prescribed textbooks, teaching materials and resources, access to digital resources, lunch, and accident insurance (for accidents happening within school campus only).
Year Group | Annual School Fee | Term 1 | Term 2 | Term 3 | 1 Single Payment (5% discount) | 10 Monthly Payments |
|---|---|---|---|---|---|---|
Early Years | 456,252 THB | 190,105 THB | 152,084 THB | 114,063 THB | 433,440 THB | 45,625 THB |
Reception - Year 2 | 504,586 THB | 210,244 THB | 168,195 THB | 126,147 THB | 479,357 THB | 50,459 THB |
Year 3 - Year 6 | 561,742 THB | 234,059 THB | 187,247 THB | 140,436 THB | 533,655 THB | 56,174 THB |
Year 7 - Year 9 | 602,618 THB | 251,091 THB | 200,873 THB | 150,654 THB | 572,487 THB | 60,262 THB |
Year 10 - Year 11 | 649,514 THB | 270,631 THB | 216,505 THB | 162,378 THB | 617,039 THB | 64,951 THB |
Year 12 - Year 13* | 519,612 THB | 216,505 THB | 173,204 THB | 129,903 THB | 493,631 THB | 51,961 THB |
*Year 12 - 13: This fee includes a special discount of 20% (129,902 THB) for students joining Year 12 in Term 1 in 2026/2027. The full fee is normally 649,514 THB
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Joining Fee: 75,000THB (non-refundable). This is payable upon the agreement of a place for your child and before they enter the school. THB 150,000 is the maximum amount payable per family. Children joining the Early Years will be deferred from paying the Joining Fee until they move into the Reception Class. A Joining Fee of THB 37,500 is payable for students joining for one term only.
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Security Deposit: THB 75,000 (refundable, subject to terms and conditions). This acts as financial security for the school and is returned upon withdrawal of a student from the school, providing all fees have been cleared, and one full term’s notice has been given. The security bond for A-level (Sixth Form) is not refundable if a student withdraws from ISS before the completion of the courses they have enrolled in. No exceptions. Please refer to the Refund section for more details.
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Please find the detailed information on school fees