Welcome to High School!

At St. Theresa's we strive to ensure all students feel a sense of belonging.  We work together with families to ensure success.  St. Theresa's has some of the largest selection of courses in North Simcoe and continues the long standing tradition of providing a safe and inclusive atmosphere for students to learn.


2026-2027 Hockey Canada Skills Academy Course Registration
https://forms.gle/dVknK8FK4VyB7U8h7
This link will be activated and open for registration February 2, 2026 at 8am.


2025-2026 STH Reach Ahead Program Registration Form  (Updated Dec 2, 2025 4:25pm)
As of December 2, 2025 at 4:25pm the STH Reach Ahead Courses are full. Any further registrations received will be placed on a waiting list.