C W Jefferys Collegiate Institute vs Dundas Valley Secondary School
A head-to-head comparison of two secondary schools in Ontario, Canada, 68 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
C W Jefferys Collegiate Institute
North York · Public secondary · Grades 9-12
815 students
Dundas Valley Secondary School
Dundas · Public secondary · Grades 9-12
810 students
| Measure | C W Jefferys Collegiate Institute North York, Ontario | Dundas Valley Secondary School Dundas, Ontario |
|---|---|---|
| Success Index (Canada) | 5 Lower 50% | 65 Top 50% |
| Province rank | #755 of 766 | #222 of 766 |
| National rank | #755 of 766 | #222 of 766 |
| Sector | Public | Public |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 815 | 810 |
| Enrolment | 815 | 810 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 24% | 58% |
| OSSLT pass rate | 65% | 86% |
| Low-income households | 17% | 4% |
| Parents without a credential | 17% | 1% |
| First language not English | 43% | 6% |
| Special education | 17% | 26% |
| Identified as gifted | 0% | 6% |
| 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 | North York | Dundas |
| province | Ontario | Ontario |
| Website | schoolweb.tdsb.on.ca/cwjefferys/ | schools.hwdsb.on.ca/dundasvalley |
The verdict
- •Dundas Valley Secondary School scores higher on the Success Index (Canada) (65.0 vs 5.2).
- •Dundas Valley Secondary School does better on eqao grade 9 mathematics (58% vs 24%).
- •Dundas Valley Secondary School does better on osslt first-attempt pass rate (86% vs 65%).
- •C W Jefferys Collegiate Institute is the larger school with 815 students compared with 810.
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 C W Jefferys Collegiate Institute better than Dundas Valley Secondary School?
On the Success Index (Canada), Dundas Valley Secondary School ranks higher (65.0 vs 5.2 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 C W Jefferys Collegiate Institute and Dundas Valley Secondary School?
About 68 km in a straight line, between North York and Dundas in Ontario.
Which has the better Enrolment?
C W Jefferys Collegiate Institute: 815. Dundas Valley Secondary School: 810. Students enrolled in the latest published year.
How do C W Jefferys Collegiate Institute and Dundas Valley Secondary School rank in Ontario?
C W Jefferys Collegiate Institute is 755th of 766 and Dundas Valley Secondary School is 222nd of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).