Sports
Cricket
The D.S.Senanayake College Cricket Team has been very successful recently. Many fine cricket players have been produced by our school. They include Aravinda de Silva and Hashan Tilakeratne, who were members of the Sri Lankan cricket team that won the 1996 World Cup. They have made their country and school proud of them. Our Cricket Big Match is played against St. Benedict's College. In 1996 the big match was a draw, while the One Day match was won by us.
Rugby
Our School's Rugby Team is one of the best in Colombo. We won the Rugby Big Match with St Benedict's College in 1996r.
Soccer
Our Soccer team became the champions of under 18 MILO National schools soccer tournament in 1996 .
Western Cadet Band
D.S.S.C Western Cadet Band was very successful. We were selected as the All-Island best Cadet Band for 3 consecutive years in 1990 - 92. We were All-Island Runners-Up in the best Cadet Band in 1993 and we are proud to announce that we were the best Cadet Band in Western Province [1996.]
Basketball
Although Basketball was introduced recently, within a short period we became the champions of the National School Games in Basketball. In 1996 we won the A division under-19, under-17 tournaments and were runners up in the under-15 age group.
The Computer Society
This is the most active society in D.S.S.C. Students of all grades are now well versed in computing skills due to the efforts of this society. The Computer Laboratory which was the brainchild of one of the principals Mr. S. Kodikara, has a LAN Network comprising of 20 workstations and a 486 Server. The Society hopes to obtain Internet facilities for the laboratory & equip our students for the next millennium.
The Prefect's Guild
The Prefect's Guild was one of the organs that was responsible for making the College into one of the most disciplined schools in Sri Lanka. The Guild comprises of a Head prefect, Deputy Head prefects, Senior prefects, Junior prefects and Student guides.
The Interact Club
One of the more dynamic clubs in school, Two of our Interactors won awards of excellence in the Youth Camp '96. Our Interactors also succeeded in bringing to our school The Championship trophies for Cricket & Basketball which they won at " Interaction '96 ".We were also the 1st runner-up in the " Interaction Song competition ". Our Interactors were in the organizing committees of "Youth Camp '96 "
English Literary Association
The English Literary Association has excelled in Drama & we have won the championship at the Inter School Shakespeare Drama Competition for two consecutive years in 1993 and 1994.