Durham Alternative Secondary School vs St Thomas Aquinas Catholic School
A head-to-head comparison of two schools in Ontario, Canada, 1.1 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Durham Alternative Secondary School
Oshawa · Public alternative · Grades 9-12
485 students
St Thomas Aquinas Catholic School
Oshawa · Catholic elementary · Grades JK-8
430 students
| Measure | Durham Alternative Secondary School Oshawa, Ontario | St Thomas Aquinas Catholic School Oshawa, Ontario |
|---|---|---|
| Success Index (Canada) | – Not rated | 30 Lower 50% |
| Province rank | – | #3030 of 3,871 |
| National rank | – | #3030 of 3,871 |
| Sector | Public | Catholic |
| Type | Alternative | Elementary |
| Year range | Grades 9-12 | Grades JK-8 |
| Students | 485 | 430 |
| Enrolment | 485 | 430 |
| EQAO Grade 3 | – | 55% |
| EQAO Grade 6 | – | 72% |
| EQAO Grade 9 maths | – | – |
| OSSLT pass rate | – | – |
| Low-income households | 10% | 15% |
| Parents without a credential | 5% | 5% |
| First language not English | 10% | 10% |
| Special education | 45% | 15% |
| 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 | Oshawa | Oshawa |
| province | Ontario | Ontario |
| Website | dass.ddsb.ca | aquinas.dcdsb.ca |
The verdict
- •Durham Alternative Secondary School is the larger school with 485 students compared with 430.
- •Durham Alternative Secondary School is a public school while St Thomas Aquinas Catholic 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.
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Frequently asked questions
Is Durham Alternative Secondary School better than St Thomas Aquinas Catholic School?
The two schools are very close on the Success Index (Canada). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Durham Alternative Secondary School and St Thomas Aquinas Catholic School?
About 1.1 km in a straight line, between Oshawa and Oshawa in Ontario.
Which has the better Enrolment?
Durham Alternative Secondary School: 485. St Thomas Aquinas Catholic School: 430. Students enrolled in the latest published year.
How do Durham Alternative Secondary School and St Thomas Aquinas Catholic School rank in Ontario?
Durham Alternative Secondary School is unranked and St Thomas Aquinas Catholic School is 3030th of 3,871 among alternative schools in Ontario on the 2025 Success Index (Canada).