The Guide
Mon, 13 July 2026

Cities / Bangkok / Thai-Singapore International School (TSIS)

Thai-Singapore International School (TSIS)

Located in Bangkok's international education sector, TSIS positions itself as offering both British and Singaporean educational approaches, potentially providing families with exposure to different Asian educational philosophies alongside Western frameworks.

Thai-Singapore International School (TSIS) campus
Thai-Singapore International School (TSIS), Bangkok. Photograph · School

Curriculum
A-Levels
Ages
2 to 16
Pupils
Est. Contact school
Founded
2005

Thai-Singapore International School opened in Bangkok in 2005 and teaches a combination of British and Singaporean curricula for pupils aged 2–16, with Cambridge qualifications in the upper years. The school holds accreditation from the Council of International Schools, and its Thai programme, led by principal Dr Tharornkarn Chaichoattanyajaoren, signed a partnership with Dusit Thani College in 2025.

Parents speak well of the campus and the people in it, singling out the swimming pool and the music room and describing staff as friendly and professional. The student view is more qualified. One former pupil rated the teaching highly but criticised the food, the character education programme, and the way some teachers handled pupils' mistakes.


One-time fees

Item Age Fee
Application Fee THB 2,500


  • Parent and guide comments are broadly positive about facilities and staff, with praise for the swimming pool, music room, and professional atmosphere.
  • Student-side signal is more mixed. One ex-student said the school taught well, but flagged food, character education, and teacher accountability as weak spots.
  • The review pool is small, so the safest read is a functional school with visible strengths in teaching and facilities, but limited independent evidence beyond a handful of public comments.

Positives

  • Facilities and staff. Public comments praise facilities and describe staff as friendly and professional.

Considerations

  • Student experience. A former student liked the teaching but criticised food, moral education, and how some teachers handled mistakes.
  • Signal depth. The review pool is small and does not support firm claims about current school culture.

Leadership

Dr. Tharornkarn Chaichoattanyajaoren

Dr. Tharornkarn Chaichoattanyajaoren serves as the Thai Principal at Thai Singapore International School (TSIS) in Bangkok, representing the Thai program leadership in official engagements such as the MOU signing with Dusit Thani College in May 2025.

Accreditations

  • Council of International Schools 01

  • A Level Distinctions 4 A* and 3 A*

1000 Moo 5, Srinakarin Road,, Sumrongnua Muang,, Samutprakarn 10270, Thailand

School website