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TSI International School’s Wongwianyai Campus, established in 1985, delivers the British National Curriculum to children aged 2 to 11 across Early Years and Primary stages. Nestled in the Wongwianyai district of Bangkok on Prachathipok Road, it offers spacious classrooms, an air‑conditioned gymnasium, libraries, STEAM and arts studios, playgrounds, swimming pools, and a basement drop‑off area. The school teaches in English, complemented by instruction in Thai, Punjabi, Hindi, and Chinese. Specialist teachers lead STEAM, music, art, PE, and language programmes, alongside inquiry‑based learning in core subjects. This campus is known for its focused STEAM integration, creative arts provision, and active sports participation, including inter‑school competitions.
1799 Thang Rotfai Sai Kao Road, Samrong Nua, Samut Prakan 10270
TSI International School - Wongwianyai Campus has 350 pupils, typical class sizes of 16, instruction in English.
TSI International School’s Wongwianyai Campus sits on Prachathipok Road in Bangkok’s Wongwianyai district. It’s on the Thonburi side of the city, with nearby transport links across the river and easy access to central Bangkok neighborhoods. The surrounding area is mostly residential, and the campus includes its own drop-off zone and basement parking for convenient access.
The school is structured into Foundation Stage (Pre‑Nursery “Little Lions,” Nursery, Reception for ages 2–5), Key Stage 1 (Years 1–2, ages 5–7), and Key Stage 2 (Years 3–6, ages 7–11).
TSI Wongwianyai is a co‑educational day school.
The school provides tailored English as an Additional Language (EAL) support, as well as learning support for students who require it. Specific details about the scope of this support are not provided on the school’s website.
TSI follows the British National Curriculum, but it has no formal affiliation with a specific country.
There is no religious affiliation. It operates as a secular international school.
The school day commences at 7:55 AM and finishes at 2:40 PM. Children have several play breaks during the day.
The school provides a van service covering many areas of Bangkok to and from the campus.
Annual tuition at TSI International School - Wongwianyai Campus ranges from THB 240,000 to THB 330,000 for 2026/27.
TSI International School - Wongwianyai Campus teaches British Curriculum, EYFS (Early years foundation stage) for students aged 2 to 11.
TSI International School – Wongwianyai Campus follows the British National Curriculum, covering Early Years Foundation Stage (Pre-Nursery “Little Lions,” Nursery, and Reception) through Key Stage 2 (Years 1–6). In the Early Years, the curriculum focuses on the seven areas of learning set out in the UK’s EYFS framework, including communication and language, literacy, numeracy, and physical development. From Year 1, pupils study core subjects such as English, mathematics, and science, alongside humanities, arts, music, physical education, and computing. The programme also incorporates Thai Language and Culture for all students, with additional language options including Punjabi, Hindi, and Chinese. Specialist teachers deliver lessons in subjects such as PE, art, music, and STEAM (Science, Technology, Engineering, Arts, and Mathematics). By the end of Year 6, students are prepared to transition to Key Stage 3 at the school’s Bangna Campus, where the curriculum progresses toward Cambridge IGCSE and A-Level qualifications.
The school does not provide dedicated details on specific SEL programmes or staff roles beyond curriculum-related content. In the Early Years (Nursery and Reception), “Social and Emotional Development” is listed as one of the core learning areas in line with the UK Early Years Foundation Stage (EYFS) framework. No additional public information is provided about SEL provision in other year groups.
TSI provides learning support and EAL (English as an Additional Language) through designated staff roles, such as “EAL & Learning Support.” However, the school does not detail which types of SEN it supports or indicate whether it operates as a specialist SEN institution.
The website confirms that TSI has staff in EAL & Learning Support roles, which indicates some level of support for English as an additional language, although specific programmes or methods are not explained.
TSI received the AIA Best Mental Wellbeing School award, reflecting recognition of its efforts in supporting students' mental health. However, the website does not describe specific mental wellbeing programmes, staff roles, or classroom initiatives.
The school does not publicly disclose information regarding its safeguarding or child protection policies, provisions, or practices.
1. Arrange a campus tour.
You can set up a visit on weekdays at either the Wongwianyai or the Bearing campus to see the learning environment for yourself.
2. Pre-testing and documentation.
Parents must submit the child’s three most recent school reports, and the child visits the campus for an age-appropriate assessment and a meeting with staff.
3. Secure your child’s place.
If your child is offered admission (usually within 48 hours of the assessment), it is confirmed once you pay a non-refundable deposit of THB 20,000.
4. Complete the application process.
You’ll need to provide a passport-style photo, birth certificate, recent school reports, and for non-Thai students, copies of passports and parents’ documents.
5. Fee payment.
The school requires partial or full payment of fees before your child’s first day, with a range of payment options available. Once everything is in place, your child begins at TSI and becomes part of the school community.
There is no information on the official website indicating that TSI offers scholarships or financial aid.
TSI places applicants in a wait pool when a class is full. Should space become available later in the year, applicants in the pool may be offered admission.