Cosburn Middle School

Public · Elementary

520 Cosburn Ave, East York, ON, M4J2P1

+1 (416) 396-2335

Toronto District School Board

Official website

Grades 6-8490 studentsopen

School information

Grades served: 6-8
Enrollment: 490
School organization: Toronto District School Board

Academic Performance

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

elementary

3.5 / 10

Grade 6 Mathematics: 43%
Grade 6 Reading: 77%
Grade 6 Writing: 85%

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

Elementary

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

490 students in 2024-2025 — down 13% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12566
12–13598
13–14597
14–15631
15–16625
16–17671
17–18650
18–19645
19–20615
20–21515
21–22610
22–23550
23–24515
24–25490

Some years are published as rounded or banded counts.

Programmes

Programmes Ontario lists for this school in 2023-2024. 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.