Castlebrooke Secondary School

Public · Secondary

10 Gardenbrooke Trail, Brampton, ON, L6P3L1

+1 (905) 794-2485

Peel District School Board

Official website

Grades 9-121,765 studentsopen

School information

Grades served: 9-12
Enrollment: 1,765
School organization: Peel District School Board

Academic Performance

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

secondary

7.1 / 10

Grade 9 Mathematics: 60%
Grade 10 OSSLT, first attempt: 90%

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

1,765 students in 2024-2025 — up 109% since 2012-2013. Roll as reported by Ontario, not a projection.

12–13843
13–141,402
14–151,894
15–161,883
16–171,901
17–181,889
18–191,845
19–201,895
20–211,925
21–221,900
22–231,870
23–241,815
24–251,765

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.