| International School of Samui | Bophut | mixed | | | |
| Wellington College International School Bangkok | Saphan Sung | mixed | | | |
| Yothinburana School - International Programme | Khet Bang Sue | mixed | | | |
| Thai Singapore International School | Tambon Sam Rong Nua | mixed | | | |
| Tara Pattana International School | Chon Buri | mixed | | | |
| Suankularb Wittayalai Nonthaburi School | Amphoe Pak Kret | mixed | | | |
| Singapore International School of Bangkok | Khet Wang Thonglang | mixed | | | |
| Satit Prasarnmit School International Programme | Khet Watthana | mixed | | | |
| Panyadee, the British International School of Samui | Koh Samui | mixed | | | |
| Narinukun International Programme, Narinukun School | Mueang Ubon Ratchathani District | mixed | | | |