| 1 | Bangkok Patana School | British, IB | $16,000-$27,000 | $23,700 | 93/100 |
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| 2 | St Andrews International School Bangkok | British, IB | $11,000-$24,000 | $19,700 | 82/100 |
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| 3 | Ruamrudee International School (RIS) | American | $12,000-$22,000 | $19,200 | 78/100 |
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| 4 | Harrow International School Bangkok | British | $17,000-$29,000 | $25,200 | 78/100 |
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| 5 | Lycée Français International de Bangkok | French | $5,000-$9,000 | $8,700 | 77/100 |
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| 6 | Ascot International School | British | $5,000-$11,000 | $10,000 | 75/100 |
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| 7 | Brighton College Bangkok | British | $16,000-$28,000 | $24,200 | 75/100 |
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| 8 | Regent's International School Bangkok | British, IB | $8,000-$20,000 | $16,000 | 74/100 |
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| 9 | NIST International School | IB | $16,000-$28,000 | $24,200 | 73/100 |
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| 10 | International School Bangkok (ISB) | American, IB | $18,000-$30,000 | $26,200 | 73/100 |
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| 11 | St Andrews Samakee International School Bangkok | — | $5,000-$15,000 | $11,300 | 72/100 |
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| 12 | New Day Learning | — | $5,000-$15,000 | $12,000 | 72/100 |
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| 13 | The American School Of Bangkok Green Valley Campus | — | $5,000-$15,000 | $12,000 | 72/100 |
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| 14 | DBS Denla British School Bangkok | British | $14,742-$28,033 | $23,588 | 72/100 |
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| 15 | Garden International School | British | $8,000-$14,000 | $13,000 | 71/100 |
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| 16 | Australian International School Bangkok | Australian, IB | $8,000-$16,000 | $14,000 | 71/100 |
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| 17 | Global Indian International School (GIIS) Bangkok | Indian, IB | $4,000-$10,000 | $9,000 | 70/100 |
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| 18 | Royce Royal International School Bangkok | — | $5,000-$15,000 | $11,600 | 69/100 |
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| 19 | British Mandarin International School Bangkok | — | $5,000-$15,000 | $12,000 | 69/100 |
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| 20 | British Columbia International School Bangkok | — | $5,000-$15,000 | $12,000 | 69/100 |
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| 21 | Charter International School | British, IB | $7,000-$16,000 | $13,500 | 69/100 |
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| 22 | Shrewsbury International School Bangkok | British | $16,000-$28,000 | $24,200 | 69/100 |
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| 23 | Invictus International Programme Bangkok | — | $5,000-$15,000 | $11,600 | 68/100 |
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| 24 | International Community School Bangkok | — | $5,000-$15,000 | $11,600 | 68/100 |
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| 25 | Harrows International School Bangkok | — | $5,000-$15,000 | $11,600 | 68/100 |
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| 26 | Rbis International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 27 | Kids Academy International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 28 | St Andrews International School Sukhumvit 107 Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 29 | Future Steps International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 30 | Berkeley International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 31 | Tsi International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 32 | Xcl American School Of Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 33 | D Prep International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 34 | Aster International School Bangkok | — | $5,000-$15,000 | $12,000 | 68/100 |
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| 35 | KPN International School | British | $5,000-$12,000 | $10,500 | 67/100 |
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| 36 | New Sathorn International School | American | $5,000-$12,000 | $10,500 | 67/100 |
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| 37 | RIS Swiss Section — Deutschsprachige Schule Bangkok | German, IB | $7,000-$14,000 | $12,500 | 67/100 |
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| 38 | NIST International School | IB | $17,450-$30,403 | $26,127 | 67/100 |
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| 39 | Bromsgrove International School Thailand | British | $18,000-$28,000 | $25,200 | 66/100 |
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| 40 | Ramkhamhaeng Advent International School Bangkok | — | $5,000-$15,000 | $12,000 | 65/100 |
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| 41 | Norwich International School Bangkok | — | $5,000-$15,000 | $12,000 | 65/100 |
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| 42 | Magic Years International School | American | $5,000-$10,000 | $9,500 | 64/100 |
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| 43 | Westminster College Bangkok | — | $5,000-$15,000 | $11,700 | 64/100 |
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| 44 | Bangkok Patana School | IB, British | $14,583-$27,917 | $23,450 | 64/100 |
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| 45 | Lycee Francais International De Bangkok | — | $5,000-$15,000 | $11,700 | 63/100 |
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| 46 | St Andrews International School Sathorn Bangkok | — | $5,000-$15,000 | $12,000 | 63/100 |
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| 47 | Shrewsbury International School Bangkok | British | $19,217-$33,567 | $28,592 | 63/100 |
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| 48 | Dulwich College International School Bangkok | — | $5,000-$15,000 | $12,000 | 62/100 |
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| 49 | Traill International School | British | $11,000-$17,000 | $16,000 | 62/100 |
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| 50 | Ris Swiss Section Deutschsprachige Schule Bangkok | — | $5,000-$15,000 | $12,000 | 61/100 |
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