St. Theresa Catholic Secondary School

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School News

Register Now for the 2026-2027 School Year!

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

St. Theresa CSS Hosts Girls Basketball OFSAA 2025

Student Insurance

Protect Your Child with Student Accident Insurance

Click here for more information

Three SWAC grad students seated wearing Loyalist College hoodies

SWAC Graduates Celebrated at Loyalist College

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.

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School Board News

Student Trustee Submission promo graphic.

Notice of Election: Call for Student Trustees for the 2026-2027 School Year

Interested in becoming a Student Trustee?

Education Quality and Accountability Office

ALCDSB Celebrates Growth in EQAO Results

The Algonquin and Lakeshore Catholic District School Board is proud to share results from the Education Quality and Accountability Office (EQAO).

EQAO Letter from the Minister of Education

The Minister of Education, Paul Calandra, asked all school boards to share this EQAO letter with parents and guardians.

Equity plan decorative image.

2025-26 Equity Plan now launched

The Algonquin and Lakeshore Catholic District School Board is pleased to share the 2025-2026 Equity Plan.

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Calendar

Dec 22

Winter Break

Dec 23

Winter Break

Dec 24

Winter Break

Dec 25

Christmas

Dec 25

Winter Break

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Students making lunch.

Girl's hockey team.

Students decorating cupcakes