St Marys D.C. & V. I. High School

Public · Secondary

338 Elizabeth St, St Marys, ON, N4X1B6

+1 (519) 284-1731

Avon Maitland District School Board

Official website

Grades 9-12430 studentsopen

School information

Grades served: 9-12
Enrollment: 430
School organization: Avon Maitland District School Board

Academic Performance

Scores compare similar schools only within Ontario, never across Canada.

secondary

7.7 / 10

Grade 9 Mathematics: 54%
Grade 10 OSSLT, first attempt: 97%

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 published

A 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 Office

Enrolment over time

430 students in 2024-2025 — down 16% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12512
12–13469
13–14463
14–15445
15–16434
16–17448
17–18442
18–19455
19–20445
20–21435
21–22445
22–23450
23–24430
24–25430

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.