Info of OHSCC here.
You could win free entry to OHSCC through the following tournaments.
Click on the link, a document will be opened.

Stephen Leacock Challenge March 2
Seneca Hill Chess Club offers a buy one get one free for Oriole members and Seneca Hill Chess students: After you played in the Stephen Leacock Challenge, you are eligible for one free Sunday tournament  at Oriole in May or June.

TSSCL Individual Championship April 12

TSSCL Team Championship April 19