Brock High School vs St Marys D.C. & V. I. High School
A head-to-head comparison of two secondary schools in Ontario, Canada, 205 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Brock High School
Cannington · Public secondary · Grades 9-12
425 students
St Marys D.C. & V. I. High School
St Marys · Public secondary · Grades 9-12
430 students
| Measure | Brock High School Cannington, Ontario | St Marys D.C. & V. I. High School St Marys, Ontario |
|---|---|---|
| Success Index (Canada) | 32 Lower 50% | 77 Top 25% |
| Province rank | #577 of 766 | #102 of 766 |
| National rank | #577 of 766 | #102 of 766 |
| Sector | Public | Public |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 425 | 430 |
| Enrolment | 425 | 430 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 35% | 54% |
| OSSLT pass rate | 76% | 97% |
| Low-income households | 10% | 0% |
| Parents without a credential | 0% | 0% |
| First language not English | 0% | 10% |
| Special education | 45% | 20% |
| 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 | Cannington | St Marys |
| province | Ontario | Ontario |
| Website | brockhs.ddsb.ca | smdcvi.amdsb.ca |
The verdict
- •St Marys D.C. & V. I. High School scores higher on the Success Index (Canada) (77.0 vs 31.5).
- •St Marys D.C. & V. I. High School does better on eqao grade 9 mathematics (54% vs 35%).
- •St Marys D.C. & V. I. High School does better on osslt first-attempt pass rate (97% vs 76%).
- •St Marys D.C. & V. I. High School is the larger school with 430 students compared with 425.
The Success Index (Canada) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Brock High School better than St Marys D.C. & V. I. High School?
On the Success Index (Canada), St Marys D.C. & V. I. High School ranks higher (77.0 vs 31.5 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 Brock High School and St Marys D.C. & V. I. High School?
About 205 km in a straight line, between Cannington and St Marys in Ontario.
Which has the better Enrolment?
Brock High School: 425. St Marys D.C. & V. I. High School: 430. Students enrolled in the latest published year.
How do Brock High School and St Marys D.C. & V. I. High School rank in Ontario?
Brock High School is 577th of 766 and St Marys D.C. & V. I. High School is 102nd of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).