Colonel By Secondary School

Public · Secondary

2381 Ogilvie Rd, Gloucester, ON, K1J7N4

+1 (613) 745-9411

Ottawa-Carleton District School Board

Official website

Grades 9-121,140 studentsopen

School information

Grades served: 9-12
Enrollment: 1,140
School organization: Ottawa-Carleton District School Board

Academic Performance

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

secondary

9.7 / 10

Grade 9 Mathematics: 84%
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

1,140 students in 2024-2025 — up 3% since 2011-2012. Roll as reported by Ontario, not a projection.

11–121,110
12–131,113
13–141,094
14–151,099
15–161,108
16–171,123
17–181,136
18–191,150
19–201,165
20–211,040
21–221,085
22–231,075
23–241,090
24–251,140

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.