Glenforest Secondary School vs Silverthorn Collegiate Institute
A head-to-head comparison of two secondary schools in Ontario, Canada, 1.5 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Glenforest Secondary School
Mississauga · Public secondary · Grades 9-12
1,120 students
Silverthorn Collegiate Institute
Etobicoke · Public secondary · Grades 9-12
880 students
| Measure | Glenforest Secondary School Mississauga, Ontario | Silverthorn Collegiate Institute Etobicoke, Ontario |
|---|---|---|
| Success Index (Canada) | 48 Lower 50% | 48 Lower 50% |
| Province rank | #414 of 766 | #411 of 766 |
| National rank | #414 of 766 | #411 of 766 |
| Sector | Public | Public |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 1,120 | 880 |
| Enrolment | 1,120 | 880 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 58% | 53% |
| OSSLT pass rate | 89% | 84% |
| Low-income households | 14% | 8% |
| Parents without a credential | 8% | 4% |
| First language not English | 43% | 37% |
| Special education | 13% | 18% |
| Identified as gifted | 3% | 1% |
| 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 | Mississauga | Etobicoke |
| province | Ontario | Ontario |
| Website | schools.peelschools.org/sec/glenforest/Pages/default.aspx | www.silverthornci.com |
The verdict
- •Both schools have almost identical Success Index (Canada) scores (48.0 vs 48.2).
- •Glenforest Secondary School does better on eqao grade 9 mathematics (58% vs 53%).
- •Glenforest Secondary School does better on osslt first-attempt pass rate (89% vs 84%).
- •Glenforest Secondary School is the larger school with 1,120 students compared with 880.
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 Glenforest Secondary School better than Silverthorn Collegiate Institute?
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 Glenforest Secondary School and Silverthorn Collegiate Institute?
About 1.5 km in a straight line, between Mississauga and Etobicoke in Ontario.
Which has the better Enrolment?
Glenforest Secondary School: 1,120. Silverthorn Collegiate Institute: 880. Students enrolled in the latest published year.
How do Glenforest Secondary School and Silverthorn Collegiate Institute rank in Ontario?
Glenforest Secondary School is 414th of 766 and Silverthorn Collegiate Institute is 411th of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).