Leaside High School vs Northern Secondary School
A head-to-head comparison of two secondary schools in Ontario, Canada, 1.4 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Leaside High School
East York · Public secondary · Grades 9-12
1,115 students
Northern Secondary School
Toronto · Public secondary · Grades 9-12
2,075 students
| Measure | Leaside High School East York, Ontario | Northern Secondary School Toronto, Ontario |
|---|---|---|
| Success Index (Canada) | 82 Top 10% | 74 Top 25% |
| Province rank | #58 of 766 | #131 of 766 |
| National rank | #58 of 766 | #131 of 766 |
| Sector | Public | Public |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 1,115 | 2,075 |
| Enrolment | 1,115 | 2,075 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 79% | 72% |
| OSSLT pass rate | 95% | 91% |
| Low-income households | 7% | 10% |
| Parents without a credential | 3% | 1% |
| First language not English | 22% | 21% |
| Special education | 16% | 21% |
| Identified as gifted | 2% | 17% |
| 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 | East York | Toronto |
| province | Ontario | Ontario |
| Website | schools.tdsb.on.ca/leasidehigh/ | www.northern-secondary.com |
The verdict
- •Leaside High School scores higher on the Success Index (Canada) (82.3 vs 74.0).
- •Leaside High School does better on eqao grade 9 mathematics (79% vs 72%).
- •Leaside High School does better on osslt first-attempt pass rate (95% vs 91%).
- •Northern Secondary School is the larger school with 2,075 students compared with 1,115.
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 Leaside High School better than Northern Secondary School?
On the Success Index (Canada), Leaside High School ranks higher (82.3 vs 74.0 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 Leaside High School and Northern Secondary School?
About 1.4 km in a straight line, between East York and Toronto in Ontario.
Which has the better Enrolment?
Leaside High School: 1,115. Northern Secondary School: 2,075. Students enrolled in the latest published year.
How do Leaside High School and Northern Secondary School rank in Ontario?
Leaside High School is 58th of 766 and Northern Secondary School is 131st of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).