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TSI International School - Wongwianyai Campus

Thailand, Bangkok

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The school at a glance
Instructs in English
Fees THB 240,000 - 330,000
Ages 2 - 11 years
Pupil numbers 350
Type Co-educational
Opened 1985
Bus Service Yes
Academic offering
Curriculum British Curriculum, EYFS (Early years foundation stage)
Taught languages English, Hindi, Mandarin, Punjabi, Thai
Typical class size 16
Strengths Sport, Visual and Creative Arts, STEM
Clubs Arts and Creative, Cultural and Language, Lifestyle and Wellbeing
Stages Early Years, Primary School
Introduction

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

The Essentials

TSI International School - Wongwianyai Campus has 350 pupils, typical class sizes of 16, instruction in English.

Location
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.

Stages
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).

Type
TSI Wongwianyai is a co‑educational day school.

Additional learning support
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.

Country affiliation
TSI follows the British National Curriculum, but it has no formal affiliation with a specific country.

Religious affiliation
There is no religious affiliation. It operates as a secular international school.

School day structure
The school day commences at 7:55 AM and finishes at 2:40 PM. Children have several play breaks during the day.

Bus service
The school provides a van service covering many areas of Bangkok to and from the campus.
Diving Deeper

Uniform Requirement
Uniforms are available from the Front Office. Uniform prices are listed for TSI at the Uniform Prices page.

Food Options
The Wongwianyai Campus cafeteria is managed by Epicure. They provide a morning snack and lunch daily, with vegetarian and non-vegetarian options and meals for special dietary needs. The lunch menu operates on a four-week cycle and includes a salad and fruit bar.

Governance and Ownership
The school is part of TSI International School, which operates two campuses: Wongwianyai Campus and Bearing Campus.
Fees

Annual tuition at TSI International School - Wongwianyai Campus ranges from THB 240,000 to THB 330,000 for 2026/27.

Placement Deposit: THB 50,000 (non‑refundable) deposit is required to secure a student’s place and for visa support if needed.

Admission Fees:
Little Lions: THB 50,00
Nursery – Year 6: THB 90,000

Annual Tuition Fees
Pre‑Nursery: THB 240,000
Nursery (age 3–4): THB 260,000
Reception (age 4–5): THB 305,000
Years 1–6 (ages 5–11): THB 330,000

General Fees: THB 45,000
Note: Charged in addition to tuition.

Sibling Discount
Second, third, or more children:
Admission Fees: THB 20,000
Tuition Fees: THB 20,000 per year discount

Other Costs
Additional costs may include:
School van service
Uniforms (available from the school office)
External examinations, overnight camps, costumes for performances, Extracurricular activities (ECAs), inter‑school competitions, and summer programmes

Refund Policy
Payments for deposit, admission, tuition, general fees, uniforms, books, learning resources, or special activities/events are non‑refundable and non‑transferable.

Fees for van service and food may be credited only if closure is mandated by government legislation.

Payment Options
Bank transfer, cash, cheque, credit card (2% bank charge), 10‑month interest‑free instalments (limited to full-fee payment, with Kasikorn Bank), or four instalments through the school.
Academics

TSI International School - Wongwianyai Campus teaches British Curriculum, EYFS (Early years foundation stage) for students aged 2 to 11.

Curriculum
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.

Academic calendar
Wellbeing

Social and Emotional Learning (SEL)
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.

Special Educational Needs (SEN)
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.

English as an Additional Language (EAL)
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.

Mental Wellbeing
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.

Safeguarding
The school does not publicly disclose information regarding its safeguarding or child protection policies, provisions, or practices.
Parent Experience

History
TSI International School was founded in 1985 as Thai Sikh International School and is one of the earliest international schools in Thailand. It operates as a non‑profit school governed by a charitable foundation, and since 2017, it has been managed by International Schools Services (ISS). In 2023, the ISS management contract ended, but leadership, staff, and school policies remained unchanged. Notably, the school celebrated its 40th anniversary, highlighting its diverse community with over 30 nationalities.

Community
TSI International School’s community includes families from more than 30 nationalities, creating a culturally rich environment. The school regularly hosts events such as International Day, where students wear traditional dress, perform on stage, and share aspects of their heritage. Cultural celebrations like Diwali are also hosted, with activities involving both students and parents.

Parent Teacher Association (PTA)
TSI International School does not publicly reference a formal Parent Teacher Association (PTA) on its website. However, the school fosters strong parent involvement through organised activities such as parent workshops, including sessions like “Understanding Your Early Adolescent” led by the Head of School. These events are hosted at the Wongwianyai Campus for Junior School families and aim to strengthen communication between parents and educators. Parents are also kept informed and connected through community newsletters and regular updates from the school.
Gallery
Facilities

Facilities Overview
The Wongwianyai Campus serves children aged 2-11 years. It features spacious classrooms, an assembly hall, an air-conditioned gymnasium, libraries, specialist STEAM and Arts learning areas, and a dining hall. The campus has a playground and swimming pools. A basement carpark provides a drop-off area.

Sports Facilities
Sports facilities include an air-conditioned gymnasium and outdoor swimming pools. A large playground supports outdoor activity. The facilities support the school's physical education and sports programs. These spaces promote active learning and healthy development.

Academic Facilities
The campus uses the British National Curriculum as its learning framework. The Foundation Stage comprises Nursery (K1) and Reception (K2) for ages 3-5. Key Stage 1 covers Year 1–Year 2 for ages 5-7, and Key Stage 2 covers Years 3–6 for ages 7-11. Class teachers are selected to inspire learning through engaging, inquiry-based teaching, with specialist STEAM, Music, Art and PE teachers working alongside them. Thai Language and Culture is offered, together with Punjabi, Hindi and Chinese.

Extra Curricular Facilities
Specialist STEAM, Music, Art and PE programs operate alongside class teachers to provide a well-structured programme. Thai Language and Culture, Punjabi, Hindi and Chinese are offered. Students learn to value their own culture and respect others, work independently and as part of a team, and develop inquiring minds. They strive for excellence, take pride in their achievements, and lead balanced, thoughtful lives.
Extra-Curricular Activities

Academic & Intellectual
TSI Wongwianyai Campus follows the British National Curriculum from Nursery through Year 6. Class teachers use engaging, inquiry-based teaching strategies to foster independent learners. The school's specialist STEAM, Music, Art, PE and language teachers work alongside class teachers to provide a well-structured programme.

Arts & Creative
Specialist STEAM and Arts learning areas are available, with dedicated Music and Art teachers supporting students' creative development.

Cultural & Language
Thai Language and Culture is offered, and Punjabi, Hindi and Chinese languages are available for students.

Social & Hobbies
Students value their own culture while showing respect for others. They learn to work as individuals and as part of a team and develop lively, positive and inquiring minds. They strive for excellence at all times, take pride in their achievements and the success of others, and lead a balanced and thoughtful life.

Lifestyle & Wellbeing
The school day commences at 7:55am and finishes at 2:40pm, with several play breaks during the day. Facilities include an assembly hall, air-conditioned gymnasium, libraries, specialist STEAM and Arts learning areas, and a dining hall, along with a playground and swimming pools. These facilities support physical activity and a balanced school life.
Languages

Language Provision
Thai Language and Culture, Punjabi, Hindi and Chinese are offered to students. Specialist language teachers work alongside class teachers to deliver a well-structured language programme. The Wongwianyai Campus serves children aged 2-11 as part of the Primary School, under the British National Curriculum framework.
Reputation

Awards
AIA ‘Best Mental Wellbeing School’ award
Given to TSI, this award recognises the school’s efforts in supporting students' mental health and wellness.

Accreditations
Council of International Schools (CIS)
A well-established global accreditation body that evaluates schools on governance, curriculum, and student wellbeing. Accreditation from CIS affirms that the school meets recognised international standards.

Western Association of Schools and Colleges (WASC)
A US-based accreditation agency. WASC accreditation confirms that the school satisfies quality benchmarks relevant to universities and educational institutions worldwide.
Admissions

Admissions
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.

Scholarships
There is no information on the official website indicating that TSI offers scholarships or financial aid.

Waitlist
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.
School Events
The school has not added events
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