- 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
Interact Club
The Interact Club of S. Thomas’ College began in 1983, under the Warden, the late Mr. Neville De Alwis.The Interact Club of S. Thomas’ College has produced many highly ranked Interactors who still serve the community and shine as true gentlemen. The Interact Club of S. Thomas’ College, wishes only to carry forward what has been done in the past and to resurrect projects which have faded away whilst maintaining our values and traditions of the past we shall integrate the modern evolution of Interact in order to be the exemplary club we have been and are.
Latest Project
Project We Fight Together- Phase 01
‘We Fight Together’ is a community service project that is primarily aimed at providing essential protective health equipment against the covid-19 pandemic. This includes the provision of surgical masks, KN95 masks, handwash and sanitizer.