The objectives of the Association shall be:

• To promote fellowship among Members and their families.
• To assist in the welfare of Members and to promote the continuity of the Association; and
• To assist S. Thomas´ College, Mount Lavinia, it´s allied institutions and any persons associated with it.

The Warden of S. Thomas´ College, Mount Lavinia and in his absense the Acting Warden os the Sub Warden shall be the Patron of the Association.

All old boys of S. Thomas´ College, Mount Lavinia, who joined the College in 1975 and old boy who subsequently joined this batch of students at the College shall be eligible for Membership of the Association.