- Aeronautical Society
- Art Club
- Association of Innovation and Design
- Association of Science and Technology
- Automobile Club
- Buddhist Students’ Association
- Canto Perpetua Choir
- Carnatic Orchestra
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- English Drama Society
- English Lit & Debating Society
- Gavel Club
- Geography Society
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- Hindu Students’ Union
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- HNB Students’ Savings Unit
- ICT Society
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- Islamic Society
- Junior English Lit & Debating Society
- Junior Maths Society
- Junior Science & Technology
- Kennel Club
- Media Unit
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- Productive Citizenship Society
- Quiz Club
- Scuba Diving Unit
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- Seylan Bank Students’ Savings Unit
- Sinhala Literary & Debating Society
- Society for Social Work & Welfare
- Spelling Union
- Student Christian Movement
- Tamil Drama Society
- Tamil Literary and Debating Society
- The Ternion
- Thomian Union
- United Nations Club
- Western Band
- Wildlife Society
Junior Maths Society
The Junior Maths Society is a prominent society in S.Thomas’ College Mount Lavinia which has a mission to promote the Mathematics skills along with organizing events and representing the college as a Maths Society. Junior Maths Society has also been involved in serving the community and contributing to the college in various ways for over a half a decade. While our main event is the annual Mathematics day, we also organize the annual Mathematics quiz and other fundraising projects to carry out the activities.Latest Project
"Virtual Maths Quiz"
Junior Maths Society of S. Thomas’ College Mount Lavinia conducted yet another novel concept of The “Virtual Maths Quiz” for the students from lower 4 to upper 6 (Questions were given from both Sinhala and English medium) which was held on the 26th of February 2021, from 4:00 p.m. onwards . This was an ideal platform for the students to test their mathematical and IQ skills.