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Fees breakdown

SISB Thonburi / SISB Suvarnabhumi — fees in full

Everything this school publishes about its fees — the range, the one-off charges, Year 1 and 13-year totals, with the arithmetic shown. Last verified 2026-10-06.

฿401,700 – ฿789,300 / year
[O] Verified official feesFigure type: range

Fee taken from the school's own published fee document.

ECB reference rates via Frankfurter, 2026-10-05 (USD 1 = ฿33.69, CNY 1 = ฿5.03) — the same rates as our cost calculator.

SISB Thonburi / SISB Suvarnabhumi — fee totals

Annual tuition (published range)฿401,700 – ฿789,300 per year
Year 1 total incl. published one-offs฿486,700 – ฿874,300 = annual tuition + application ฿5,000 + registration/enrolment ฿80,000, both as stated in the published wording below; refundable deposits excluded
Total over 13 years at today's fees฿5,222,100 – ฿10,260,900 = annual tuition × 13, flat at current fees. Real totals will be higher: schools typically raise fees 3–5% a year, and one-off charges are excluded

Arithmetic is shown next to each figure. Source: [O] [O] Official fees — last verified 2026-10-06. See how we verify.

Source wording

The published schedule, as published

As published (source wording): 401,700–789,300 — Thonburi campus table is identical to Pracha Uthit: N1-2 401,700 to G11-12 789,300 (2026-2027, annual). Suvarnabhumi campus differs (Nursery-Primary 6 only): N1 308,100; N2 315,000; K1 323,400; K2 337,200; P1 359,400; P2 368,700; P3 404,100; P4 416,100; P5 435,900; P6 440,400; enrolment fee 80,000 (2026-2027, [O] official website); Thonburi: application 5,000 + assessment 5,000; enrolment 220,000; deposit 50,000. Suvarnabhumi: enrolment 80,000

This is the fee wording captured from the source labelled above on 2026-10-06, including any per-grade or per-term figures and one-off charges it states. Where it says fees are per term, they are per term — we do not silently annualise. Always confirm the current schedule with the school before relying on any figure.

Verification

Sources — check every figure yourself

Fee source[O] Official fees — Fee taken from the school's own published fee document.
Last verified2026-10-06 (dataset pass; fees change annually, typically by 3–5%)
Official websitesisb.ac.th — via our tracked link, so the school can see the referral.
Accreditor directoryThis school's recorded accreditation names CIS — verify its current status in the accreditor's own directory: CIS
Third-party profilesLook this school up on International Schools Database, WhichSchoolAdvisor and Edarabia (third-party profiles — their figures are not ours and may differ; that is exactly why we label our sources).
Hear from parentsParent opinion lives on other platforms — unmoderated third-party views, not our data: parent reviews on WhichSchoolAdvisor, and Thai parent discussion on Pantip (search this school). WhichSchoolAdvisor parent reviews · Pantip search
Spot an error?Schools and parents can file a correction via the claim / correction form — verified corrections are published with a note on this page. See how we verify.

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