St. Theresa Catholic Secondary School Home

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

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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 a proud recipient of the RBC Barrier Buster Grants Program presented by The Rick Hansen Foundation.

The Algonquin Lakeshore Ontario English Catholic Teachers' Association (OECTA) has generously donated $10,000 to the Algonquin and Lakeshore Catholic Education (ALCE) Foundation in support of students and families across our school communities.

June 1-30, 2026