Trinity International School Bangkok (TRIS)

Trinity International School Bangkok is a Seventh-Day Adventist school in Khlong Toei, founded in 2003 and teaching around 400 pupils aged 3–18 through an American curriculum with AP courses. It holds WASC and Thai ONESQA accreditation, and headmaster Mrs Jannet Chayasutabutr oversees the K-12 Christian programme. In 2022, 60 per cent of AP scores came in at 3 or higher.

Annual fees rise in three bands, from THB 249,595 across the kindergarten years to THB 322,310 in Grades 6–12. Public comment from families and students is informal and mixed, and the positives centre on affordable international schooling, a friendly community, clean facilities, basketball courts and approachable peers, with students finding the school easy to settle into.

One local guide notes a large Japanese student presence, a feature that may suit some families and limit others looking for a fully English-speaking peer environment.

• Public family and student comments are mixed and informal. Positive comments mention affordable international schooling, friendly community, clean facilities, basketball courts, and approachable peers.
• Some local summaries flag the high proportion of Japanese students, which may matter for families looking for a fully English-speaking peer environment.
• The school has limited serious parent-review depth compared with larger Bangkok schools, so the available signal is thin and should be read cautiously.