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Blessed Trinity Catholic Secondary School  •  145 Livingston Ave, Grimsby, ON L3M 5J6  •  905-945-6706

Blessed Trinity Catholic Secondary School


BTThundergram

BT by the Numbers:

Graduation Rate

OSSLT 2023

Provincial Average 85%

EQAO Gr. 9 Math 2023

Provincial Average 53%

# of AP Prep or AP Offered

Enroute to comprehensive program

Gr. 12 SHSM

Of 19 Sectors Available in Ontario

Ontario Scholars

% of our Grad Class

Grads to Post-Secondary

Provincial average is 68%

NCAA Scholarships

Avg over 3 per year

Youth Philanthropy Initiative

$ raised over 12 years

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Parent Portal

Community Service Forms

School cash online

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2024 -2025 School Year Calendar

Secondary School Calendar

Thunder Calendar


Student Handbook




BT in the News con't...

Blessed Trinity Family of Schools

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St. Edward Catholic Elementary
School - Jordan

Link Icon School Website

Person Icon Principal: Maria Romano

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St. John Catholic Elementary
School - Beamsville

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Person Icon Principal: Dave Forte

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St. Joseph Catholic Elementary
School - Grimsby

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Person Icon Principal: Tim Atkinson

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St. Mark Catholic Elementary
School - Beamsville

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Person Icon Principal: Jennifer DeCoff

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St. Martin Catholic Elementary
School - Smithville

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Person Icon Principal: Joe Tornabuono

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Our Lady of Fatima Catholic Elementary School - Grimsby

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Person Icon Principal: Rose Araujo

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Blessed Trinity Catholic Secondary School     145 Livingston Ave. Grimsby, ON     L3M 5J6     (905)-945-6706