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Fees breakdown

Prem Tinsulanonda International School (Prem/PTIS) — 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.

฿416,000 – ฿814,000 / 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.

Prem Tinsulanonda International School (Prem/PTIS) — fee totals

Annual tuition (published range)฿416,000 – ฿814,000 per year
Year 1 tuition฿416,000 – ฿814,000 — tuition only; one-off charges in the published wording below are additional
Total over 13 years at today's fees฿5,408,000 – ฿10,582,000 = 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)Sibling reduction on tuition+boarding: 2nd child 10%, 3rd 15%, 4th 20%, 5th 50%; 2% reduction if tuition+boarding paid in full for the year

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 Prem Tinsulanonda International School (Prem/PTIS) have risen 8.8% between 2021 and 2025.

2021: ฿542,0002022: ฿542,0002023: ฿547,2002024: ฿558,0002025: ฿589,500฿542,000฿542,000฿547,200฿558,000฿589,50020212022202320242025

Source wording

The published schedule, as published

As published (source wording): 416,000–814,000 — Annual tuition: EY1-3 416,000; G1 446,000; G2-3 490,000; G4-5 604,000; G6-7 730,000; G8 772,000; G9-12 814,000; IEP 696,000 (from official fee schedule PDF; digits read from rendered PDF page because the PDF text layer drops numerals) (2026-2027, [O] official website); application 6,000; foundation fee 130,000 (first two children only); deposit (security) 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.

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 websiteptis.ac.th — via our tracked link, so the school can see the referral.
IB authorisationFind this school on ibo.org — the IB's own finder states exactly which programmes (PYP / MYP / DP / CP) the school is authorised for.
Accreditor directoryThis school's recorded accreditation names CIS, NEASC — verify its current status in the accreditor's own directory: CIS · NEASC
WikipediaPrem Tinsulanonda International School — This school has an English Wikipedia article — background and history beyond our dataset.
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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