The Guide
Mon, 15 June 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

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. The school's name suggests connections to Singapore's education system, which is highly regarded globally for mathematics and science achievement, though specific curriculum details and implementation remain unclear from available sources.

Unlike prominent Bangkok international schools such as ISB, NIST, or Bangkok Patana that generate extensive parent discussions and detailed institutional profiles, Thai-Singapore International School maintains minimal presence in typical expatriate education forums. Mixed student reviews on platforms like ISchoolAdvisor suggest varying experiences, with some praising the institution while others express concerns, though the limited feedback makes it difficult to identify consistent patterns or institutional strengths.

Strengths

  • Bilingual approach combining British and Singaporean educational systems
  • Potential exposure to high-performing Asian educational methodologies
  • Some positive parent testimonials mentioning school quality

Considerations

  • Very limited public information available about facilities, fees, or academic outcomes
  • Minimal discussion in international education forums compared to established Bangkok schools
  • Mixed student reviews with varying experiences reported
  • Lack of detailed information about accreditation status or university placement records

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