A close-knit British international school where every learner is known. Discover the people, the principles, and the everyday culture that shape life at TSI.
TSI is accredited by the Council of International Schools.
A clear, friendly journey from first enquiry to enrolment. Explore the process, plan a visit, and find the answers you need to take the next step.
See both campuses, meet the teachers, and ask the questions you need to ask.
A globally recognised British curriculum paired with holistic development in sport, the arts, and technology — preparing students for the world’s leading universities.
The universities our Sixth Form students have received offers from.
TSI Wongwianyai Campus has been carefully planned to offer an environment that is ideal for children aged 2-11 years to grow and learn together.
The team teaching children aged 2 to 11 at our Wongwianyai campus.
TSI International School is a thriving, family orientated British international school in Bangkok, Thailand, We are proud of our strong and increasingly diverse community (over 30 nationalities).
Sports facilities at the Bearing campus, from PE lessons to the Lions Sports Academy.
A close-knit British international school where every learner is known. Discover the people, the principles, and the everyday culture that shape life at TSI.
TSI is accredited by the Council of International Schools.
A clear, friendly journey from first enquiry to enrolment. Explore the process, plan a visit, and find the answers you need to take the next step.
See both campuses, meet the teachers, and ask the questions you need to ask.
A globally recognised British curriculum paired with holistic development in sport, the arts, and technology — preparing students for the world’s leading universities.
The universities our Sixth Form students have received offers from.
TSI Wongwianyai Campus has been carefully planned to offer an environment that is ideal for children aged 2-11 years to grow and learn together.
The team teaching children aged 2 to 11 at our Wongwianyai campus.
TSI International School is a thriving, family orientated British international school in Bangkok, Thailand, We are proud of our strong and increasingly diverse community (over 30 nationalities).
Sports facilities at the Bearing campus, from PE lessons to the Lions Sports Academy.
Academics
Overview
Year 10 and Year 11 are collectively referred to as Key Stage 4 (KS4). This is when students follow the two-year Cambridge International General Certificate of Secondary Education programme (IGCSE). Studying IGCSEs prepares students for their A-levels or TSI Diploma in Years 12-13, opening doors to the world’s top universities.
Our small class sizes ensure that TSI students receive personalised guidance from our highly qualified teachers during the entire IGCSE programme.
Programme length
Subjects per student
Class sizes
Year 10 and Year 11 are collectively referred to as Key Stage 4 (KS4). This is when students follow the two-year Cambridge International General Certificate of Secondary Education programme (IGCSE). Studying IGCSEs prepares students for their A-levels or TSI Diploma in Years 12-13, opening doors to the world’s top universities.
Our small class sizes ensure that TSI students receive personalised guidance from our highly qualified teachers throughout the entire IGCSE programme.
Programme Structure
Compulsory · Examined
Compulsory · Non-Examined
In addition to the compulsory subjects, every student chooses six subject options from the list below — building a personalised pathway suited to their strengths and ambitions.
Subject Options
Subjects are predominantly Cambridge IGCSE, with selected AQA GCSE specifications where they best serve our students.
Art & Design
Specification
Biology
Specification
Business Studies
Specification
Chemistry
Specification
Computer Science
Specification
Economics
Specification
English — First Language
Specification
English as a Second Language
Specification
Hindi as a Second Language
Specification
Chinese (Mandarin) — Foreign Language
Specification
Mathematics
Specification
Additional Mathematics
Physical Education
Specification
Physics
Specification
Psychology
Specification
Panjabi
Specification
Travel and Tourism
Specification
Thai — First Language
Specification
Subject option blocks are confirmed each April for the forthcoming year. Please find more information in our 2026–28 IGCSE Programme Guide:
Next Step
To join the TSI community and enrol in our Cambridge IGCSE programme, complete our enquiry form or arrange a personal campus tour. It’s the first step on your child’s IGCSE and A-Level journey.