- Student Research Society
- Current Affairs Forum
- History Archeo Club
- Oriental Dancing Society
- Philatelic & Numismatic Society
- Robotics Club
- Yoga Club
- Library Club
- Environmental Club
- Chamber Orchestra
- Cinema Society
- Astronomy Club
- Aquarium Club
- Scuba Diving Unit
- Culinary Arts Society
- Aeronautical Society
- Junior Science Society
- Geography Society
- Gavel Club
- Student Christian Movement
- English Lit & Debating Society
- Radio Club
- Junior Maths Society
- Road Safety Patrol
- Sinhala Literary & Debating Society
- Seylan Bank Students’ Savings Unit
- HNB Students’ Savings Unit
- Kennel Club
- Junior English Lit & Debating Society
- Buddhist Students’ Association
- Art Club
- Spelling Union
- Carnatic Orchestra
- Canto Perpetua Choir
- Western Band
- Tamil Drama Society
- English Drama Society
- Hewisi Band
- Photographic Club
- Society for Social Work & Welfare
- ICT Society
- Senior Environmental Club
- Hindu Students’ Union
- Political Science Society
- Association of Innovation and Design
- Red Cross Society
- Islamic Society
- Automobile Club
- Association of Science and Technology
- Quiz Club
- Cubing Society
- Health Club
- Tamil Literary and Debating Society
- Wildlife Society
- Commerce Society
- Interact Club
- Thomian Union
- The Ternion
- Media Unit
- Classical Music Association
- Productive Citizenship Society
- United Nations Club
Health Club
The Health Club of S. Thomas College Mount Lavinia has been an active club by contributing to the College community through various health related projects, mostly renowned for its ‘Health Week’. The Health Week is a project done annually, which conducts various health related events, benefiting to the school and the community.
Latest Project
Health Week
The Health Week, which is an annual event of the Health Club was held, The health week makes sure that all the teachers and the staff of the school are in good health.