St. Mary Catholic Secondary School
Public · Secondary
School information
- Grades served
- 9-12
- Enrollment
- 835
Academic Performance
Scores compare similar schools only within Ontario, never across Canada.
secondary
4.2 / 10
- Grade 9 Mathematics
- 57%
- Grade 10 OSSLT, first attempt
- 75%
How Ontario assesses schools
EQAO, run by Education Quality and Accountability Office.
Ontario publishes provincial assessment results for individual schools.
- Grades tested
- 3, 6, 9, 10
- Subjects
- Reading, Writing, Mathematics, Literacy
- Most recent year
- 2024-2025
Results for this school
Secondary
Results publishedA school without a score is not a school with a low score. Scores are only ever compared within Ontario and within the same stage — never between provinces, which use different tests.
Education Quality and Accountability OfficeEnrolment over time
835 students in 2024-2025 — down 5% since 2011-2012. Roll as reported by Ontario, not a projection.
- 11–12883
- 12–13812
- 13–14752
- 14–15756
- 15–16781
- 16–17900
- 17–18894
- 18–19865
- 19–20850
- 20–21800
- 21–22780
- 22–23785
- 23–24780
- 24–25835
Some years are published as rounded or banded counts.
Programmes
Programmes Ontario lists for this school in 2025-2026. Only programmes the province publishes a register for can appear here, so this is not a full list of everything the school offers — and an absent programme does not mean it is not taught.
French language
- Core French
- French immersion
Specialist High Skills Major
- Specialist High Skills Major: Arts and Culture
- Specialist High Skills Major: Aviation and Aerospace
- Specialist High Skills Major: Construction
- Specialist High Skills Major: Environment
- Specialist High Skills Major: Hospitality and Tourism
- Specialist High Skills Major: Information and Communications Technology
- Specialist High Skills Major: Manufacturing
- Specialist High Skills Major: Sports
Community Reviews
Ratings and experiences from parents, students, and staff — separate from the school's academic rating.
No reviews yet
Be the first to share your experience with St. Mary Catholic Secondary School.
Nearby Secondary Schools
Other secondary schools within about 37.7 km, in Ontario. Not necessarily assigned.
Centre for Individual Studies Northumberland
Cobourg · 900 m
Cobourg Collegiate Institute
Cobourg · 2.7 km
Port Hope High School
Port Hope · 11.6 km
Clarke High School
Newcastle · 34.9 km
Kenner Collegiate and Vocational Institute
Peterborough · 35.2 km
East Northumberland Secondary School
Brighton · 35.7 km
Holy Cross Catholic Secondary School
Peterborough · 36.1 km
Crestwood Secondary School
Peterborough · 37.7 km