Summer School Registration is Now Open!

eLearning courses are offered DURING the 2025/26 SCHOOL YEAR. These courses will count towards your 2 eLearning course requirements for graduation.

The 2024-25 Holy Trinity Swag Shop is now open!

As of July 1st, the official uniform provider for the Simcoe Muskoka Catholic District School Board is McCarthy Uniforms.

In an attempt to inspire students, Holy Trinity Catholic High School in Bradford West Gwillimbury exposes the Grade 10 students to different aspects of the workforce through the “Skilled Trades Fair.”

Catholic Education: Changing the World One Student at a Time

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