Archbishop Denis O'Connor Catholic High School vs St Matthew High School
A head-to-head comparison of two secondary schools in Ontario, Canada, 330 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Archbishop Denis O'Connor Catholic High School
Ajax · Catholic secondary · Grades 9-12
710 students
St Matthew High School
Orleans · Catholic secondary · Grades 9-12
715 students
| Measure | Archbishop Denis O'Connor Catholic High School Ajax, Ontario | St Matthew High School Orleans, Ontario |
|---|---|---|
| Success Index (Canada) | 50 Lower 50% | 61 Top 50% |
| Province rank | #393 of 766 | #269 of 766 |
| National rank | #393 of 766 | #269 of 766 |
| Sector | Catholic | Catholic |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 710 | 715 |
| Enrolment | 710 | 715 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 49% | 53% |
| OSSLT pass rate | 85% | 88% |
| Low-income households | 6% | 4% |
| Parents without a credential | 3% | 2% |
| First language not English | 11% | 17% |
| Special education | 24% | 26% |
| 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 | Ajax | Orleans |
| province | Ontario | Ontario |
| Website | doc.dcdsb.ca/ | mth.ocsb.ca |
The verdict
- •St Matthew High School scores higher on the Success Index (Canada) (61.2 vs 49.7).
- •St Matthew High School does better on eqao grade 9 mathematics (53% vs 49%).
- •St Matthew High School does better on osslt first-attempt pass rate (88% vs 85%).
- •St Matthew High School is the larger school with 715 students compared with 710.
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 Archbishop Denis O'Connor Catholic High School better than St Matthew High School?
On the Success Index (Canada), St Matthew High School ranks higher (61.2 vs 49.7 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 Archbishop Denis O'Connor Catholic High School and St Matthew High School?
About 330 km in a straight line, between Ajax and Orleans in Ontario.
Which has the better Enrolment?
Archbishop Denis O'Connor Catholic High School: 710. St Matthew High School: 715. Students enrolled in the latest published year.
How do Archbishop Denis O'Connor Catholic High School and St Matthew High School rank in Ontario?
Archbishop Denis O'Connor Catholic High School is 393rd of 766 and St Matthew High School is 269th of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).