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Established before 2000 schools in Thailand

28 schools match this tag in Thailand. Published fees span ฿137,000 – ฿1,197,000 per year (median midpoint ฿436,372, 24 schools publish fees). Every figure carries its source label — [O] the school's own document, [A] a named aggregator, [NV] not verified.

Ascot International School

Saphan Sung · Bangkok

British, IGCSE, IB DP

฿273,819 – ฿594,969 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

BSB British International Primary School

Khlong Toei (Sukhumvit 4) · Bangkok

British

฿195,000 – ฿401,370 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureBangkok Metropolitan

Bangkok Patana School

Bang Na · Bangkok

English NC, IGCSE, IB DP/CP

฿515,000 – ฿1,014,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

British International School, Phuket (BISP)

Phuket, Koh Kaew · Phuket

English NC, IGCSE, IB DP (+ BTEC Sport)

฿489,000 – ฿982,700 / year

For context — all published fees in South span ฿105,000 – ฿982,700 / yr

[O] Verified official feesBoardingSouth

Christian German School Chiang Mai (CDSC)

Chiang Mai, Saraphi · Chiang Mai

German, Abitur, Christian

฿146,000 – ฿328,000 / year

For context — all published fees in North span ฿126,000 – ฿814,000 / yr

[O] Verified official feesFaith-basedNorth

Ekamai International School (EIS)

Watthana · Bangkok

American, Adventist Christian

฿160,000 – ฿175,500 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureFaith-basedBangkok Metropolitan

Garden International School, Eastern Seaboard

Rayong, Ban Chang · Rayong

British, IGCSE, IB DP

฿438,350 / year

For context — all published fees in East span ฿80,000 – ฿999,000 / yr

[A] Aggregator figureBoardingEast

Grace International School (GIS)

Chiang Mai, Hang Dong · Chiang Mai

American, Christian (missionary families)

฿349,000 – ฿419,000 / year

For context — all published fees in North span ฿126,000 – ฿814,000 / yr

[A] Aggregator figureFaith-basedNorth

Harrow International School Bangkok

Don Mueang · Bangkok

British, IGCSE, A-Level

฿146,300 – ฿1,063,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBoardingBangkok Metropolitan

International Community School (ICS) Bangkok

Bang Na · Bangkok

American, AP, Christian ethos

฿556,900 – ฿659,600 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesFaith-basedBangkok Metropolitan

International School Bangkok (ISB)

Nonthaburi, Pak Kret (Nichada Thani) · Nonthaburi

American + IB DP + AP

฿659,000 – ฿1,197,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

KIS International School Bangkok

Huai Khwang · Bangkok

IB PYP/MYP/DP only

฿440,100 – ฿944,600 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

Kevalee International School

Khlong Sam Wa (Hathairaj 37) · Bangkok

American

฿137,000 – ฿215,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

Lycée Français International de Bangkok (LFIB)

Wang Thonglang · Bangkok

French national curriculum, Baccalauréat; bilingual section

฿286,300 – ฿507,400 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

Modern International School Bangkok (MISB)

Bangkok · Bangkok

British, IGCSE, A-Level

Fees not publicly disclosed · Last checked 2026-10-06

[NV] Not verifiedBangkok Metropolitan

NIVA American International School

Bang Kapi (Lat Phrao 101) · Bangkok

American, Christian

฿191,000 – ฿326,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesFaith-basedBangkok Metropolitan

Nakornpayap International School (NIS)

Chiang Mai city · Chiang Mai city

American

฿290,000 – ฿496,800 / year

For context — all published fees in North span ฿126,000 – ฿814,000 / yr

[O] Verified official feesNorth

RC International School

Pathum Wan (Ruamrudee Soi 1, Ploenchit) · Bangkok

British

Fees not publicly disclosed · Last checked 2026-10-07

[NV] Not verifiedBangkok Metropolitan

Ramkhamhaeng Advent International School (RAIS)

Bang Kapi · Bangkok

American, Adventist

฿207,500 – ฿267,500 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureFaith-basedBangkok Metropolitan

Regent's International School Bangkok — Rama 9 (+ Langsuan early years)

Wang Thonglang · Bangkok

British EYFS, IGCSE, IB DP

฿445,500 – ฿780,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBoardingBangkok Metropolitan

Regents International School Pattaya

Chonburi, Pattaya · Chonburi

British EYFS/IPC, IGCSE, IB DP or A-Level

฿440,800 – ฿854,050 / year

For context — all published fees in East span ฿80,000 – ฿999,000 / yr

[O] Verified official feesBoardingEast

Rose Marie Academy

Pak Kret (Nichada Thani) · Nonthaburi

American

Fees not publicly disclosed · Last checked 2026-10-06

[NV] Not verifiedBangkok Metropolitan

Ruamrudee International School (RIS)

Min Buri (+ Ratchapruek & Early Years campuses) · Bangkok

American, IB DP, AP

฿599,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureBangkok Metropolitan

Thai Sikh International School

Samut Prakan, Mueang · Samut Prakan

British EYFS/British

฿240,000 – ฿330,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

Thai-Chinese International School (TCIS)

Samut Prakan, Bang Phli · Samut Prakan

American + Chinese, IB DP

Fees not publicly disclosed · Last checked 2026-10-06

[NV] Not verifiedBangkok Metropolitan

Wells International School (On Nut / Thong Lo / Bang Na campuses)

Phra Khanong etc. · Bangkok

American, IB DP

฿173,500 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureBangkok Metropolitan

XCL American School of Bangkok — Green Valley Campus

Samut Prakan, Bang Phli · Samut Prakan

American, IB, AP

฿430,000 – ฿760,000 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[A] Aggregator figureBoardingBangkok Metropolitan

XCL American School of Bangkok — Sukhumvit

Watthana · Bangkok

American, AP, IB options

฿453,450 – ฿808,630 / year

For context — all published fees in Bangkok Metropolitan span ฿81,000 – ฿1,283,500 / yr

[O] Verified official feesBangkok Metropolitan

Fee labels: [O] official document — the school's own published schedule · [A] aggregator figure — a named third-party listing · [NV] not verified — no reliable published figure.