The Guide
Mon, 13 July 2026

Cities / Bangkok / RBIS International School Bangkok (RBIS)

RBIS International School Bangkok (RBIS)

A non-selective British-curriculum school in Bangkok, founded 1971, running the National Curriculum for England through to IGCSE and A Level.

RBIS International School Bangkok (RBIS) campus
RBIS International School Bangkok (RBIS), Bangkok. Photograph · School

Curriculum
A-Levels
Fees, annual
THB 264k–570k
Ages
1 to 18
Pupils
Est. 300
Founded
1971

RBIS International School has taught a British programme in central Bangkok since 1971 and now has around 300 pupils aged 1–18 near Victory Monument. Pupils take Cambridge and Pearson Edexcel qualifications through IGCSE and A Level; in 2023 the school reported a 96 per cent A Level pass rate and 100 per cent of IGCSE results at grades A* to C. It holds accreditation from the Education Development Trust and Thailand's ONESQA, and head Giles Mongare has led international schools across Asia.

Parents describe small classes, a family-style nurturing atmosphere and friendly, helpful staff; one parent said their child is always happy and easy to bring to school. Parents point to FOBISIA membership as a marker of recent progress. Annual fees of THB 264,000 to 570,000 sit at the affordable end of British schooling in Bangkok, and several parents call the school good value.

One view runs the other way: a commenter on a teachers' forum named RBIS among Bangkok schools to avoid for the quality of its teachers and the standard of teaching and learning.


Annual fees

Year level Age Fee
Toddler 2 THB 264,000
Nursery 3 THB 294,000
Pre-Reception 4 THB 348,000
Reception 5 THB 348,000
Years 1-2 5 THB 429,000
Years 3-6 7 THB 444,000
Years 7-9 11 THB 534,000
Years 10-11 14 THB 570,000
Years 12-13 16 THB 564,000

One-time fees

Item Age Fee
Application and Assessment Fee THB 5,000
Refundable Deposit THB 30,000
Registration Fee THB 100,000


  • Directory reviews skew warm, with parents praising small classes, central Bangkok location near Victory Monument and a family-style nurturing atmosphere.
  • Several parents describe the school as good value for money compared to higher-fee Bangkok options, and point to FOBISIA membership as a marker of recent progress.
  • Teaching staff get specific praise. One parent said their child is always happy and easy to bring to school. Reviews repeatedly call out friendly principals and helpful staff.
  • A r/Internationalteachers commenter took the opposite view, naming RBIS among Bangkok schools to avoid for quality of teachers and standard of teaching and learning.
  • A separate Reddit submission asked for any information on the school and noted it is hard to find online, suggesting a thin information footprint outside school-controlled channels.
  • Reviews do not show sustained negative threads on safeguarding or fees; the polarisation is mostly between warm directory parent voices and one sharp insider critique.

Positives

  • Family atmosphere and small classes. Parents value the nurturing, small-school feel and central location near Victory Monument.
  • Value for money. Seen as one of the more affordable British international options in Bangkok.
  • Teaching quality, parent view. Parents describe friendly, helpful teachers and happy children.
  • FOBISIA membership. Cited by parents as a recent quality marker.

Considerations

  • Teaching quality, insider view. One r/Internationalteachers commenter named RBIS among Bangkok schools to avoid for teaching standard.
  • Information footprint. Limited independent online discussion; one Reddit user explicitly noted information is hard to find.

Leadership

Giles Mongare

Giles Mongare holds a BEd in Music, NPQH, and NPQEL. He has led a number of international schools across Asia and beyond, drawing on a wide range of leadership experiences.

Accreditations

  • EDT 01
  • TH_ONESQA 02

  • A Level Pass Rate 2023 96%
  • IGCSE A* - C Results 2023 100%

48/2 Soi Rajavithi 2, Rajavithi Rd., Samsennai, Phayathai, Bangkok 10400, Thailand

School website