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Best International Schools in Bangkok 2026

Our ranking of 116 international schools in Bangkok, scored on an open, weighted method you can see below — not a hidden order.

All schoolsRankingsBritishIBAmerican
How we score
40% Alumni & parent reviews25% Academic outcomes20% Accreditation & curriculum15% Facilities & ratio

Preliminary ranking from accreditation data only. Review, outcome and facilities scores are still being collected, so this order will change — not for publication yet.

1
NIST International School
IB (PYP/MYP/DP) · Watthana
84.0
score
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2
Bangkok Patana School
British (IGCSE/A-Level) · Bang Na
84.0
score
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3
Shrewsbury International School Bangkok
British · Riverside
84.0
score
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4
The Regent's International School Bangkok
British / IB · Bang Na
84.0
score
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5
KIS International School
IB (PYP/MYP/DP) · Huai Khwang
84.0
score
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6
St Andrews International School Bangkok
British / IB · Sathorn
84.0
score
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7
International School Bangkok (ISB)
American / IB · Nichada
72.0
score
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8
Harrow International School Bangkok
British · Sai Mai
72.0
score
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9
Bromsgrove International School Thailand
British · Min Buri
72.0
score
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10
Wells International School
American · On Nut
72.0
score
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11
Concordian International School
IB (trilingual) · Bang Na
72.0
score
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12
Ruamrudee International School (RIS)
American / IB · Min Buri
72.0
score
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13
Berkeley International School
American · Sukhumvit
72.0
score
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14
Brighton College Bangkok
British · Krungthep Kreetha
72.0
score
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15
Bangkok Prep (Bangkok International Preparatory & Secondary)
British · Ekkamai
72.0
score
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16
Dulwich College International School Bangkok
50.0
score
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17
Amnuay Silpa School
50.0
score
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18
Invictus International Programme
50.0
score
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19
MYIS International School
50.0
score
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20
Thai-Chinese International School
50.0
score
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21
Kids Academy International School
50.0
score
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22
St. Mark's International School
50.0
score
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23
Anglo Singapore International School
50.0
score
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24
Wycombe Abbey International School Bangkok
50.0
score
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25
Singapore International School of Bangkok
50.0
score
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26
SPGS International School Bangkok
50.0
score
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27
ELC - Family of International Schools Bangkok
50.0
score
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28
Glory Singapore International School
50.0
score
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29
Beaconhouse Yamsaard International School
50.0
score
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30
Thai International School
50.0
score
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31
Ramkhamhaeng Advent International School
50.0
score
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32
RIS Swiss Section Deutschsprachige Schule Bangkok
50.0
score
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33
St. Andrews International School Dusit
50.0
score
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34
Bangkok Adventist International School
50.0
score
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35
Trinity International School
50.0
score
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36
King's College International School Bangkok
50.0
score
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37
TSI International School
50.0
score
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38
Australian International School Bangkok
50.0
score
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39
International Community School Bangkok
50.0
score
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40
Charter International School
50.0
score
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41
New Day Learning
50.0
score
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42
Norwich International School
50.0
score
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43
Lycée Français International de Bangkok
50.0
score
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44
BSB British International Primary School
50.0
score
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45
Knightsbridge House International School Nonthaburi
50.0
score
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46
St. Andrews International School Sukhumvit 107
50.0
score
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47
Future Steps International School Bangkok
50.0
score
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48
Siam International School
50.0
score
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49
Bangkok Grace International School
50.0
score
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50
D-PREP International School
50.0
score
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51
KIS International School Reignwood Park
50.0
score
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52
Sequoia Nova International Primary School
50.0
score
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53
WeLearn Academy
50.0
score
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54
Brighton College Bangkok, Vibhavadi
50.0
score
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55
St. Andrews Samakee International School
50.0
score
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56
Heathfield International School
50.0
score
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57
Astra Academy International School
50.0
score
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58
RC International School
50.0
score
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59
Thai-Singapore International School
50.0
score
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60
Sarasas Ektra School
50.0
score
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61
Siam Singapore International School
50.0
score
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62
BASIS International School Bangkok
50.0
score
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63
St. Andrews International School Sathorn
50.0
score
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64
Pan-Asia International School
50.0
score
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65
Canadian International School of Thailand
50.0
score
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66
The American School of Bangkok - Green Valley Campus
50.0
score
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67
Kincaid International School of Bangkok
50.0
score
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68
King Mongkut's International Demonstration School
50.0
score
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69
Centurion International School
50.0
score
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70
Raffles American School Bangkok
50.0
score
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71
Bangkok Christian International School
50.0
score
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72
Montessori Academy Bangkok International School
50.0
score
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73
Roong Aroon International School
50.0
score
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74
DBS Denla British School Bangkok
50.0
score
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75
Satit Bilingual School of Rangsit University
50.0
score
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76
Westminster College Bangkok
50.0
score
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77
AIT International School
50.0
score
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78
Ekamai International School
50.0
score
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79
British Mandarin International School
50.0
score
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80
Kevalee International School
50.0
score
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81
Ascot International School
50.0
score
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82
Modern International School Bangkok
50.0
score
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83
Garden International School, Bangkok
50.0
score
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84
Crescent International School
50.0
score
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85
Traill International School
50.0
score
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86
Learn Satit Pattana School
50.0
score
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87
Rose Marie Academy
50.0
score
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88
Aster International School Bangkok
50.0
score
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89
New American Chinese International School
50.0
score
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90
NIVA American International School
50.0
score
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91
XCL American School of Bangkok
50.0
score
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92
Rising Oaks International School Bangkok
50.0
score
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93
Lertlah School
50.0
score
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94
Pensmith School
50.0
score
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95
International Christian School Nonthaburi
50.0
score
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96
RBIS International School
50.0
score
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97
Wellington College International School Bangkok
50.0
score
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98
The Jataka School
50.0
score
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99
Royce Royal International School
50.0
score
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100
KPIS International School
50.0
score
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101
Bangkok-Chicago Christian International School
50.0
score
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102
John Wyatt Montessori
50.0
score
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103
British Columbia International School Bangkok
50.0
score
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104
International Pioneers School
50.0
score
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105
Annabel's Early Years
British (EYFS), Reggio Emilia · Ekkamai
50.0
score
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106
Raintree Kindergarten
British (EYFS), Reggio Emilia · Phrom Phong
50.0
score
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107
Kirakira Kids International Kindergarten
Early Years (Japanese) · Ekkamai
50.0
score
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108
BEYC International Kindergarten
British (EYFS) · Ari
50.0
score
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109
The First Steps International Pre-School
Early Years · Sukhumvit
50.0
score
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110
Kensington International Kindergarten
British (EYFS) · Sukhumvit
50.0
score
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111
SP International Kindergarten
Early Years · Thong Lor
50.0
score
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112
Precious Learners International Kindergarten
Early Years · Sukhumvit
50.0
score
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113
Storytime International Kindergarten
Early Years
50.0
score
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114
Seeh Phinong International Kindergarten
Early Years
50.0
score
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115
Kidz Village International Kindergarten
Early Years
50.0
score
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116
Kids Kingdom International Pre-School
Early Years
50.0
score
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