Brockville Collegiate Institute vs St Mary's Separate School
A head-to-head comparison of two schools in Ontario, Canada, 1.2 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Brockville Collegiate Institute
Brockville · Public secondary · Grades 9-12
425 students
St Mary's Separate School
Brockville · Catholic elementary · Grades 7-8
175 students
| Measure | Brockville Collegiate Institute Brockville, Ontario | St Mary's Separate School Brockville, Ontario |
|---|---|---|
| Success Index (Canada) | 59 Top 50% | 38 Lower 50% |
| Province rank | #292 of 766 | #2667 of 3,871 |
| National rank | #292 of 766 | #2667 of 3,871 |
| Sector | Public | Catholic |
| Type | Secondary | Elementary |
| Year range | Grades 9-12 | Grades 7-8 |
| Students | 425 | 175 |
| Enrolment | 425 | 175 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 67% | – |
| OSSLT pass rate | 80% | – |
| Low-income households | 10% | 10% |
| Parents without a credential | 0% | 5% |
| First language not English | 5% | 0% |
| Special education | 30% | 25% |
| Identified as gifted | 0% | 0% |
| FSA literacy score | – | – |
| FSA numeracy score | – | – |
| FSA Grade 4 literacy score | – | – |
| FSA Grade 4 numeracy score | – | – |
| FSA Grade 7 literacy score | – | – |
| FSA Grade 7 numeracy score | – | – |
| city or town | Brockville | Brockville |
| province | Ontario | Ontario |
| Website | bci.ucdsb.on.ca | www.stmarychs.cdsbeo.on.ca |
The verdict
- •Brockville Collegiate Institute scores higher on the Success Index (Canada) (58.7 vs 37.5).
- •Brockville Collegiate Institute is the larger school with 425 students compared with 175.
- •Brockville Collegiate Institute is a public school while St Mary's Separate School is a catholic school, so fees and admission rules differ.
The Success Index (Canada) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Brockville Collegiate Institute better than St Mary's Separate School?
On the Success Index (Canada), Brockville Collegiate Institute ranks higher (58.7 vs 37.5 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Brockville Collegiate Institute and St Mary's Separate School?
About 1.2 km in a straight line, between Brockville and Brockville in Ontario.
Which has the better Enrolment?
Brockville Collegiate Institute: 425. St Mary's Separate School: 175. Students enrolled in the latest published year.
How do Brockville Collegiate Institute and St Mary's Separate School rank in Ontario?
Brockville Collegiate Institute is 292nd of 766 and St Mary's Separate School is 2667th of 3,871 among secondary schools in Ontario on the 2025 Success Index (Canada).