Glendale High School

Public · Secondary

37 Glendale Dr, Tillsonburg, ON, N4G1J6

+1 (519) 842-4207

Thames Valley District School Board

Official website

Grades 9-12820 studentsopen

School information

Grades served: 9-12
Enrollment: 820
School organization: Thames Valley District School Board

Academic Performance

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

secondary

2.5 / 10

Grade 9 Mathematics: 41%
Grade 10 OSSLT, first attempt: 73%

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

820 students in 2024-2025 — down 0% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12823
12–13838
13–14821
14–15863
15–16851
16–17843
17–18861
18–19850
19–20830
20–21795
21–22820
22–23800
23–24795
24–25820

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.