Reports and Accreditations

Traill International School is subject to rigorous testing by the British Schools Overseas organisation. The term “British Schools Overseas” (BSO) may only be officially used by a school that has been inspected, within the past three academic years, by one of the inspectorates approved by the UK government’s 'Department for Education' and has been judged to have succeeded in meeting the required standards.

Please use the 'Latest Education Development Trust Report' button (below) for the latest report from the BSO. 

Education Development Trust  (EDT, formerly CfBT)

"The quality of the curriculum provided by the school is outstanding" 

"The welfare, health and safety of the pupils are outstanding."

Education Development Trust Report (UK)

British School Overseas (BSO)

Member of the European Council of International School

​Centre for University of Cambridge International Examinations

Thai Ministry of Education and accredited through

ONESQA (Sor mor Sor) 

Member of the International Schools Association of Thailand (ISAT)

OPEC - The Office of the Private Education Commision

(Sor Chor)

Member of the Federation of British International Schools in Asia (FOBISIA)

Member of the Bangkok International School

Athletics Conference (BISAC)

Member of Thailand International Schools Activities Conference (TISAC) 

Traill International School

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Traill International School. Ramkhamhaeng 16, Huamark, Bangkapi, Bangkok. 10240
Tel.: +66 (0)2718 8779- Email:

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