Grey Highlands Secondary School

Public · Secondary

100 Toronto Rd. S., Flesherton, ON, N0C1E0

+1 (519) 924-2721

Bluewater District School Board

Official website

Grades 9-12725 studentsopen

School information

Grades served: 9-12
Enrollment: 725
School organization: Bluewater District School Board

Academic Performance

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

secondary

2.9 / 10

Grade 9 Mathematics: 43%
Grade 10 OSSLT, first attempt: 76%

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

725 students in 2024-2025 — down 18% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12888
12–13880
13–14790
14–15707
15–16694
16–17635
17–18635
18–19625
19–20610
20–21530
21–22635
22–23670
23–24705
24–25725

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.