Dunnville Secondary School

Public · Secondary

110 Helena St, Dunnville, ON, N1A2S5

+1 (905) 774-7401

Grand Erie District School Board

Official website

Grades 9-12340 studentsopen

School information

Grades served: 9-12
Enrollment: 340
School organization: Grand Erie District School Board

Academic Performance

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

secondary

2.1 / 10

Grade 9 Mathematics: 40%
Grade 10 OSSLT, first attempt: 68%

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

340 students in 2024-2025 — down 39% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12558
12–13562
13–14489
14–15467
15–16435
16–17422
17–18416
18–19405
19–20365
20–21315
21–22335
22–23310
23–24310
24–25340

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.