York Mills Collegiate Institute

Public · Secondary

490 York Mills Rd, Toronto, ON, M3B1W6

+1 (416) 395-3340

Toronto District School Board

Official website

Grades 9-121,295 studentsopen

School information

Grades served: 9-12
Enrollment: 1,295
School organization: Toronto District School Board

Academic Performance

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

secondary

9.6 / 10

Grade 9 Mathematics: 81%
Grade 10 OSSLT, first attempt: 96%

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

1,295 students in 2024-2025 — up 9% since 2011-2012. Roll as reported by Ontario, not a projection.

11–121,183
12–131,066
13–141,090
14–151,053
15–161,035
16–171,010
17–18994
18–191,240
19–201,190
20–21890
21–221,175
22–231,180
23–241,265
24–251,295

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.