Castlebrooke Secondary School
#271 of 766 secondary schools in Ontario
#271 of 766 nationally
About Castlebrooke Secondary School
Castlebrooke Secondary School is a public secondary located in Brampton, in the Peel DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,765 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 60.9 out of 100, placing it in the top 50% of secondary schools in Canada and 271st of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (84th percentile), and its weakest is parent education (fewer parents without a credential) (19th percentile).
Other published figures: enrolment 1,765; first language not english 53%; special education 10%; identified as gifted 0%.
There are 236 schools in Brampton; Castlebrooke Secondary School ranks 31st of 181 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)60%
- OSSLT first-attempt pass rate (20%)90%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)5%
- Parent education (fewer parents without a credential) (10%)9%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Castlebrooke Secondary School by the official sources.
- Enrolment
- 1,765
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 60%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 90%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 5%
- % of students living in low-income households.
- Parents without a credential
- 9%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 53%
- % of students whose first language is not English.
- Special education
- 10%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Castlebrooke Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
Cardinal Ambrozic Catholic Secondary School
Brampton · Catholic secondary · Grades 9-12
1,520 students · 609 m away
Thorndale Public School
Brampton · Public elementary · Grades JK-8
610 students · 692 m away
Beryl Ford
Brampton · Public elementary · Grades JK-8
495 students · 951 m away
Castlemore Public School
Brampton · Public elementary · Grades JK-8
440 students · 1.1 km away
Castle Oaks Public School
Brampton · Public elementary · Grades JK-8
710 students · 1.2 km away
Sir Isaac Brock P.S. (Elementary)
Brampton · Public elementary · Grades JK-8
620 students · 1.3 km away
Walnut Grove P.S. (Elementary)
Brampton · Public elementary · Grades JK-8
770 students · 1.5 km away
Claireville Public School
Brampton · Public elementary · Grades JK-5
575 students · 1.6 km away
Calderstone Middle Middle School
Brampton · Public elementary · Grades 6-8
455 students · 1.8 km away
Father Francis McSpiritt Catholic Elementary School
Brampton · Catholic elementary · Grades JK-8
365 students · 2.0 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Maxwell Heights Secondary School
Oshawa · Public secondary · Grades 9-12
1,765 students
Cameron Heights Collegiate Institute
Kitchener · Public secondary · Grades 9-12
1,765 students
Laurel Heights Secondary School
Waterloo · Public secondary · Grades 9-12
1,765 students
Craig Kielburger Secondary School
Milton · Public secondary · Grades 9-12
1,760 students
Marc Garneau Collegiate Institute
Toronto · Public secondary · Grades 9-12
1,755 students
Vincent Massey Secondary School
Windsor · Public secondary · Grades 9-12
1,750 students
Frequently asked questions
Is Castlebrooke Secondary School a good school?
Castlebrooke Secondary School has a Success Index (Canada) of 60.9 out of 100 (Top 50% of secondary schools in Canada) and ranks #271 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Castlebrooke Secondary School rank in Ontario?
Castlebrooke Secondary School ranks #271 of 766 secondary schools in Ontario and #271 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Castlebrooke Secondary School?
Castlebrooke Secondary School had 1,765 students in 2025.
Is Castlebrooke Secondary School a elementary school or a secondary school?
Castlebrooke Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Castlebrooke Secondary School?
There are 10 schools within 15 km of Castlebrooke Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.