All Saints Catholic High School vs St Mary's High School
A head-to-head comparison of two secondary schools in Ontario, Canada, 403 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
All Saints Catholic High School
Kanata · Catholic secondary · Grades 9-12
1,035 students
St Mary's High School
Owen Sound · Catholic secondary · Grades 9-12
1,035 students
| Measure | All Saints Catholic High School Kanata, Ontario | St Mary's High School Owen Sound, Ontario |
|---|---|---|
| Success Index (Canada) | 88 Top 5% | 30 Lower 50% |
| Province rank | #19 of 766 | #589 of 766 |
| National rank | #19 of 766 | #589 of 766 |
| Sector | Catholic | Catholic |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 1,035 | 1,035 |
| Enrolment | 1,035 | 1,035 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 73% | 44% |
| OSSLT pass rate | 94% | 80% |
| Low-income households | 4% | 10% |
| Parents without a credential | 0% | 6% |
| First language not English | 18% | 4% |
| Special education | 26% | 17% |
| 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 | Kanata | Owen Sound |
| province | Ontario | Ontario |
| Website | ash.ocsb.ca | smhs.bgcdsb.org/ |
The verdict
- •All Saints Catholic High School scores higher on the Success Index (Canada) (87.8 vs 29.6).
- •All Saints Catholic High School does better on eqao grade 9 mathematics (73% vs 44%).
- •All Saints Catholic High School does better on osslt first-attempt pass rate (94% vs 80%).
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 All Saints Catholic High School better than St Mary's High School?
On the Success Index (Canada), All Saints Catholic High School ranks higher (87.8 vs 29.6 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 All Saints Catholic High School and St Mary's High School?
About 403 km in a straight line, between Kanata and Owen Sound in Ontario.
Which has the better Enrolment?
All Saints Catholic High School: 1,035. St Mary's High School: 1,035. Students enrolled in the latest published year.
How do All Saints Catholic High School and St Mary's High School rank in Ontario?
All Saints Catholic High School is 19th of 766 and St Mary's High School is 589th of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).