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Fees breakdown

SISB Rayong — 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 – ฿650,700 / 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 Rayong — fee totals

Annual tuition (published range)฿401,700 – ฿650,700 per year
Year 1 total incl. published one-offs฿626,700 – ฿875,700 = annual tuition + application ฿5,000 + registration/enrolment ฿220,000, both as stated in the published wording below; refundable deposits excluded
Total over 13 years at today's fees฿5,222,100 – ฿8,459,100 = 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
Discounts (school-supplied)Tuition discount: 2nd child 5%, subsequent children 10%; enrolment fee discount 20% for 2nd and subsequent children; 2% discount on tuition for full-year payment

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

Fee history — recorded data points only

Midpoint of each recorded published range, recovered from archived sources (see fees radar). Points are real observations, never interpolated: on this basis, fees at SISB Rayong have risen 3.3% between 2024 and 2025.

2024: ฿509,4002025: ฿526,200฿509,400฿526,20020242025

Source wording

The published schedule, as published

As published (source wording): 401,700–650,700 — Rayong campus PDF (file RY-School-Fee-AY2025-2026): per academic year Nursery 1 401,700; Nursery 2/KG1 429,600; Primary 1 470,700; Primary 3 512,400; Primary 5 567,300; Grade 7 609,300; Grade 9 650,700; Grade 10 billed per term 325,350 with tuition billed 2 terms per year (annual total not printed, not computed here) (2025/2026, [O] official website); application 5,000; assessment 5,000; enrolment 220,000; deposit 50,000 (refundable)

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.

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