St. Theresa Catholic Secondary School Home

Grade 9 Registration is now open for the 2026-2027 school year.
Follow the link to register now.

Click here for more information

Algonquin and Lakeshore Catholic District School Board (ALCDSB), in collaboration with Loyalist College, celebrate the first ever graduating class of the School-Within-A-College (SWAC) pathway program.

The ALCDSB is excited to announce that the Fall 50/50 Raffle is live until 11:59 p.m. on Friday, November 20.

At the end of each month, the CEO will share an update with all families that celebrates the people, learning and achievements within our schools, while also providing important board-wide news and information.