Sports
Participation in Sports within the Junior section is considered to be of great importance. This happens both within the time-table and through extra-curricular activities. Swimming is part of the curriculum, with lessons conducted by specialist coaches in the School's two pools.
The annual Junior Inter-house swimming and athletic meets are major events in the CIS calendar, with students competing enthusiastically for medals and trophies. Athletics, Basketball, Cricket, Football, Netball and teams regularly and successfully compete against other Schools in Colombo.