Map guides · Episode 7

The international schools of Bangkok

In and around Bangkok, 47 schools declare an international accreditation. They trace a corridor to the south-east, away from the Sukhumvit towers where housing supply is concentrated. Around them, large apartments remain the exception.

Survey of 23 September 2026 · asking prices, median per development

CriterionThe episode covers member schools of the International Schools Association of Thailand (ISAT) in Bangkok, Nonthaburi, Samut Prakan and Pathum Thani whose ISAT entry lists at least one international school accreditation: CIS, NEASC, ACS WASC, COBIS, Cognia, MSA-CESS or AEFE approval. ONESQA, EDT, ISI and NDNA do not qualify on their own. Surveyed on 23 September 2026. No ranking between schools is made.

Each dot is a development we track; its colour is its median asking price per square metre.

30,000 ฿/m²180,000 ฿/m² and above

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The criterion: accreditation, not the word “international”

The directory of the International Schools Association of Thailand lists 122 member schools in Bangkok and the three provinces around it. Of these, 47 declare at least one international school accreditation: CIS, NEASC, ACS WASC, COBIS, Cognia, MSA-CESS or the French AEFE approval. This episode follows those schools; we place 31 of them on the map.

Limit · Accreditations are those each school declares in the ISAT directory; they have not been cross-checked one by one against the accreditors' own directories. ONESQA (the Thai national assessment), EDT, ISI and NDNA do not qualify on their own: Brighton College Bangkok, for example, declares only EDT. Among the selected schools, 16 have no verifiable coordinates and are not on the map. The following chapters count developments within a 1.5 km straight-line radius.

Reflexion survey of 23 September 2026 · ISAT — Member Schools Directory, accessed 23 September 2026

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What our database says, and what it misses

Our public.schools table labels 110 institutions “international”: 87 schools, 15 kindergartens, 5 colleges and 3 universities. The label follows the word “International” in the name: 103 of the 110 carry it, and all 550 names written in Thai are filed as “thai”. Of the 47 selected schools, 23 are among those 110, 3 are present but labelled “thai” (Bangkok Prep, The Early Learning Centre, La Petite Ecole) and 21 are missing, including Bangkok Patana School and KIS International School.

Limit · The table, created on 21 August 2026, reproduces OpenStreetMap objects at identical coordinates; Neo4j holds the same copy, 2,145 School nodes, and the NEAR_SCHOOL relationship links each development to its three nearest schools, all curricula combined, within 8 km. Neither says whether a school is accredited. The episode's counts use a 1.5 km straight-line radius.

Reflexion survey of 23 September 2026

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Where the schools cluster

The 47 schools fall into eight sectors. The densest is a south-eastern corridor: Bang Na and Phra Khanong (7), Prawet, Suan Luang and Saphan Sung (6), then Bang Phli on the Samut Prakan side (6), making 19 schools, 40% of the total. Central Sukhumvit (Wattana) has 7, the Rama 9 – Ramkhamhaeng axis 7, the river and Thonburi 6, Nonthaburi and Pathum Thani 5, the north-east 3.

Limit · Sectors are drawn from the district written in each school's ISAT address; the grouping is ours. It covers all 47 schools, located or not. No radius here; the following chapters use 1.5 km, straight line.

Reflexion survey of 23 September 2026 · ISAT — Member Schools Directory, accessed 23 September 2026

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Around the schools, few large flats

Around the 31 located schools, our database counts 1,010 developments within 1.5 km. Their median asking price stands at THB 110,810/m² (€2,888). 451 of them offer at least one unit with three bedrooms or more; such large homes account for only 10.2% of the 17,352 units whose bedroom count is known.

Limit · A 1.5 km straight-line radius around the located schools of the sector only. Our database covers Bangkok province, not Nonthaburi, Samut Prakan or Pathum Thani. Prices are asking prices, not transaction prices.

Reflexion survey of 23 September 2026

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Central Sukhumvit concentrates supply

Central Sukhumvit concentrates supply: around six located schools, including NIST International School, Australian International School and Ekamai International School, our database counts 524 developments within 1.5 km, at a median asking price of THB 136,605/m² (€3,560). 260 developments offer at least one three-bedroom unit, but such units make up only 9.2% of the supply with a known bedroom count.

Reflexion survey of 23 September 2026

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Bang Na and Phra Khanong

In Bang Na and Phra Khanong, the six located schools, including Bangkok Patana School, St. Andrews International School and International Community School, are surrounded by 215 developments at a median of THB 84,954/m² (€2,214), 38% below central Sukhumvit. Three-bedroom units are scarce: 3.2% of units. Bangkok Patana publishes its 2026/27 fees: from THB 515,000 (€13,421) a year in Nursery to THB 1,014,000 (€26,424) in Year 12, plus a THB 250,000 (€6,515) entrance fee for a first child.

Reflexion survey of 23 September 2026 · Bangkok Patana School — School Fees Announcement, Academic Year 2026/27, accessed 23 September 2026

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The Rama 9 – Ramkhamhaeng axis

Along the Rama 9 – Ramkhamhaeng axis, five located schools, including the Lycée Français International de Bangkok, Regent's International School and Shrewsbury's City Campus, are surrounded by 214 developments at a median of THB 95,047/m² (€2,477). Three-bedroom units reach 16.1% there. The Lycée publishes its 2026-2027 rates: from THB 297,750 (€7,759) a year in kindergarten and primary for French, Thai or EU pupils to THB 527,700 (€13,751) in the final year for other nationalities, plus a THB 150,000 (€3,909) first-registration fee.

Reflexion survey of 23 September 2026 · Lycée Français International de Bangkok — 2026/2027 rates per student, accessed 23 September 2026

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The river and Thonburi

Along the river and on the Thonburi side, four located schools, including Shrewsbury's Riverside campus, BASIS International School and International Pioneers School, are surrounded by 143 developments at a median of THB 111,007/m² (€2,893); 10.8% of units have three bedrooms or more. Shrewsbury publishes its 2026-27 fees: from THB 696,300 (€18,145) a year in Nursery at the City Campus to THB 1,256,700 (€32,749) in Year 12 at Riverside, plus a THB 225,000 (€5,863) guaranteed-place fee.

Reflexion survey of 23 September 2026 · Shrewsbury International School Bangkok — Fees overview 2026-27, accessed 23 September 2026

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To the east, supply changes character

Further east, supply changes character. Around Ruamrudee International School and Keerapat International School in the north-east, our database counts 28 developments at a median of THB 53,271/m² (€1,388), and 44.6% of units have three bedrooms or more. Around Wellington College in Saphan Sung, 17 developments, with 95 of 96 units offering three bedrooms or more. Around the five located schools of Bang Phli, only 10 developments: our database stops at the Bangkok boundary.

Limit · No median price is given for Saphan Sung (17 developments) or Bang Phli (9 priced developments): the threshold is 20. Developments counted around Bang Phli are on the Bangkok side; Samut Prakan province is not covered. Wellington is the only located school in a sector that has six. Radius: 1.5 km, straight line.

Reflexion survey of 23 September 2026

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To the north, schools far from developments

To the north, five selected schools are in Nonthaburi or Pathum Thani, including International School Bangkok in Pak Kret and Ruamrudee International School Ratchapruek. No development in our database lies within 1.5 km of the two located schools: Nonthaburi province is not covered. International School Bangkok publishes its 2026/27 fees: from THB 659,000 (€17,173) a year in Pre-Kindergarten to THB 1,197,000 (€31,193) in high school, plus a THB 260,000 (€6,775) registration fee.

Reflexion survey of 23 September 2026 · International School Bangkok — Tuition and Fees 2026/27, accessed 23 September 2026

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Method and sources

Prices are asking prices, surveyed on 23 September 2026 in our database. For each development we take the median price per square metre of its unsold units; for an area, the median of those medians, shown only from 20 developments upward. A unit is set aside as an outlier below 10,000 ฿/m², above 1,000,000 ฿/m², above 500,000 ฿/m² on less than 30 m² or with no known floor area, above 500 M ฿, or with less than 10 m² per bedroom. The off-plan share counts developments whose status is known. Distances are measured as the crow flies. Euros are converted at €1 = 38.374 ฿ (13 September 2026).

These are listing prices, not sale prices. No figure on this page is a promise of return.

Sources specific to this guide:

ISAT — Member Schools Directory, accessed 23 September 2026
Bangkok Patana School — School Fees Announcement, Academic Year 2026/27, accessed 23 September 2026
Lycée Français International de Bangkok — 2026/2027 rates per student, accessed 23 September 2026
Shrewsbury International School Bangkok — Fees overview 2026-27, accessed 23 September 2026
International School Bangkok — Tuition and Fees 2026/27, accessed 23 September 2026

This page is market information, not legal, tax or financial advice. The rules quoted are dated; check that they still apply with a professional before any decision.