Trinity International School Bangkok (TRIS) campus

Trinity International School Bangkok (TRIS)

Key Stats

Annual Fees: US$7K – US$9K

Curriculum: American

Age Range: 3–18

Students: ~400

Location: Khlong Toei, Bangkok

Updated February 2026


In Brief

Trinity International School Bangkok appears to be a mid-tier American curriculum school serving around 450 students with 57 teaching staff, but maintains extremely low visibility in Bangkok's competitive international education market. The absence from typical parent forums and teacher discussions raises questions about its positioning compared to established Bangkok institutions.

Operating in Bangkok's crowded international school sector, Trinity International School follows an American curriculum pathway though specific details about grade levels, AP offerings, or university preparation remain unclear from available sources. The school appears to serve families seeking American-style education, with a student-teacher ratio suggesting reasonable class sizes, but lacks the extensive online presence and discussion that characterizes Bangkok's tier-one schools like ISB, NIST, or Bangkok Patana.

Unlike prominent Bangkok international schools that generate extensive parent conversations and detailed institutional profiles across expatriate forums, Trinity International maintains minimal presence in typical education comparison sites or teacher employment discussions. This limited visibility makes assessment of academic outcomes, facilities quality, or parent satisfaction challenging compared to established institutions that feature regularly in Bangkok school selection conversations.

What parents value
  • American curriculum pathway for families seeking US-style education
  • Student-teacher ratio suggests manageable class sizes
  • Established presence in Bangkok's international education sector
Points of consideration
  • Very limited online visibility compared to established Bangkok schools
  • Minimal parent or teacher discussions available for evaluation
  • Unclear positioning in Bangkok's competitive international school market
  • Limited information about academic outcomes or university placement

Annual Fees

Year GroupAgeUSDTotal Annual Fee
K137,787
K247,787
K357,787
Grade 168,999
Grade 278,999
Grade 388,999
Grade 498,999
Grade 5108,999
Grade 61110,056
Grade 71210,056
Grade 81310,056
Grade 91410,056
Grade 101510,056
Grade 111610,056
Grade 121710,056

Fees converted from THB. For the most up to date and accurate figures please double check with the school.

Additional Fees

FeeAmount
Application Fee1,248
Enrollment Fee (K1-K3)2,496
Enrollment Fee (Grade 1-12)3,432

Photos

Trinity International School Bangkok (TRIS) campus

Academic Results

Academic results have not been made publicly available by this school.


Extra Curriculars

Contact the school for details on co-curricular activities and facilities. Ask what a normal week looks like outside lessons for your child's interests.


Inspections & Accreditations

Inspection

No published inspection details are currently available.

Accreditations

Accreditation details are not publicly listed.

Memberships

Membership details are not publicly listed.


Student Body

Bangkok's international schools serve a diverse community of expat and local families. Contact the school for current enrolment details.


Leadership

Mrs. Jannet Chayasutabutr - Headmaster

Mrs. Jannet Chayasutabutr serves as Headmaster of Trinity International School Bangkok, overseeing the K-12 Christian institution.