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BritishWongwian Yai / BearingVerified from official sources

TSI International School

British, IGCSE, A-Level

TSI International School is a family-oriented British international school with campuses in Wongwian Yai and Bearing. It offers a pathway from early years through IGCSE and A-Level. The published tuition is comparatively accessible for Bangkok international schools. Parents should check which campus and pathway applies to their child’s year level.

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Last updated 2026-05-21

Overview

  • Age range: 2–18
  • Grades: Pre-Nursery to Year 13
  • Fees: ฿240k – ฿330k
  • Application fee: Not separately listed; admission fee currently promotional by year group
  • Capital / enrolment fee: Admission fee promotion shown from THB 30,000 to THB 90,000 depending year group; THB 50,000 deposit required to secure place
  • Class size: Not publicly listed
  • Admissions difficulty: Moderate
  • Availability: Wait pool may be used when year groups are full

Language & learning support

EAL / English support: Not fully publicly listed in reviewed official text.

SEN / learning support: Not publicly listed in reviewed sources.

Languages offered: English, Thai and additional languages to verify with admissions

Facilities

Wongwianyai campusBearing campusBritish curriculum classroomsIGCSE and A-Level pathwaySchool van serviceECAsField trips and special events

Admissions

Application deadline: Rolling admissions

Open day: Contact admissions / campus enquiry

Best fit for

  • Families looking for a British curriculum at a more accessible fee level, especially around Thonburi, Khlong San, Bang Na, or Samut Prakan.

Possible concerns

  • Campus split should be checked carefully.
  • Admission fees are promotional and reviewed monthly.
  • Additional costs may include van service, uniforms, exams, overnight camps, ECAs, competitions, and summer programmes.

Questions parents should ask

  • Which campus would my child attend?
  • Are all year groups available at both campuses?
  • What is the current admission fee promotion?
  • What additional fees should parents expect?
  • What EAL support is available?
  • What SEN support can the school provide?
  • What IGCSE and A-Level subjects are currently offered?
Disclaimer. School information is compiled from publicly available sources and is provided for guidance only. Fees, admissions availability, curriculum details, and support services may change. Parents should always verify details directly with each school before applying.