J Clarke Richardson Collegiate Institute vs St Catherine of Siena Catholic School
A head-to-head comparison of two schools in Ontario, Canada, 1.3 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
J Clarke Richardson Collegiate Institute
Ajax · Public secondary · Grades 9-12
2,010 students
St Catherine of Siena Catholic School
Ajax · Catholic elementary · Grades JK-8
350 students
| Measure | J Clarke Richardson Collegiate Institute Ajax, Ontario | St Catherine of Siena Catholic School Ajax, Ontario |
|---|---|---|
| Success Index (Canada) | 59 Top 50% | 76 Top 25% |
| Province rank | #285 of 766 | #531 of 3,871 |
| National rank | #285 of 766 | #531 of 3,871 |
| Sector | Public | Catholic |
| Type | Secondary | Elementary |
| Year range | Grades 9-12 | Grades JK-8 |
| Students | 2,010 | 350 |
| Enrolment | 2,010 | 350 |
| EQAO Grade 3 | – | 72.7% |
| EQAO Grade 6 | – | 87.7% |
| EQAO Grade 9 maths | 63% | – |
| OSSLT pass rate | 83% | – |
| Low-income households | 5% | 5% |
| Parents without a credential | 4% | 0% |
| First language not English | 36% | 10% |
| Special education | 14% | 15% |
| Identified as gifted | 1% | 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 | Ajax |
| province | Ontario | Ontario |
| Website | jclarkerichardson.ddsb.ca | stcatherine.dcdsb.ca |
The verdict
- •St Catherine of Siena Catholic School scores higher on the Success Index (Canada) (75.7 vs 59.1).
- •J Clarke Richardson Collegiate Institute is the larger school with 2,010 students compared with 350.
- •J Clarke Richardson Collegiate Institute is a public school while St Catherine of Siena 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.
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 J Clarke Richardson Collegiate Institute better than St Catherine of Siena Catholic School?
On the Success Index (Canada), St Catherine of Siena Catholic School ranks higher (75.7 vs 59.1 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 J Clarke Richardson Collegiate Institute and St Catherine of Siena Catholic School?
About 1.3 km in a straight line, between Ajax and Ajax in Ontario.
Which has the better Enrolment?
J Clarke Richardson Collegiate Institute: 2,010. St Catherine of Siena Catholic School: 350. Students enrolled in the latest published year.
How do J Clarke Richardson Collegiate Institute and St Catherine of Siena Catholic School rank in Ontario?
J Clarke Richardson Collegiate Institute is 285th of 766 and St Catherine of Siena Catholic School is 531st of 3,871 among secondary schools in Ontario on the 2025 Success Index (Canada).