LCI has had several very accomplished sports teams including: Hockey, Baseball, Badminton, Volleyball, Golf, Tennis, Soccer. The football team was resurrected in the fall of 2005 after many years of absence. The hockey team won the TDSSAA West Championships and qualified for OFSSAA in 2004 (Peterborough), 2006 (Timmons) and 2009 (Peterborough). The baseball team won the TDSSAA West Championships in 2006. The soccer team also won the TDSSAA West Region championship for the second time in Lakeshore CI's history in 2008. The first Soccer Championship occurred in 1986 when the Junior Boys' Soccer Team won the Etobicoke championship vs Martingrove Collegiate played at ECI in a shootout. They also went on to win the TDSSAA Championship again via Penalty Shoot-out at Eglinton Flats.