19 schools
Concordian International School Bangkok
Bang Phli
Hua Hin International School
Prachuap Khiri Khan
Bangkok Patana School
Bang Na
Ascot International School
Saphan Sung
Silver Fern International School
Mueang Roi Et
SISB Pracha Uthit
Wang Thonglang
UWC Thailand International School
Phuket
St Andrews International School Bangkok
Khlong Toei
Kincaid International School of Bangkok
Prawet
KIS International School Reignwood Park
Lam Luk Ka
KIS International School Bangkok
Huai Khwang
D-PREP International School
Bang Phli
SBS International Bilingual School Rangsit
Mueang Pathum Thani
St. Andrews International School, Green Valley
Ban Chang
Regent's International School Bangkok
Wang Thonglang
Roong Aroon International School
Bang Khun Thian
Pan-Asia International School
Prawet
International School Bangkok
Bang Talat
Raffles American School
Bang Phli