Blessed Trinity Catholic Secondary School vs St Martin Secondary School
A head-to-head comparison of two secondary schools in Ontario, Canada, 40 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Blessed Trinity Catholic Secondary School
Grimsby · Catholic secondary · Grades 9-12
1,085 students
St Martin Secondary School
Mississauga · Catholic secondary · Grades 9-12
1,090 students
| Measure | Blessed Trinity Catholic Secondary School Grimsby, Ontario | St Martin Secondary School Mississauga, Ontario |
|---|---|---|
| Success Index (Canada) | 78 Top 25% | 55 Top 50% |
| Province rank | #96 of 766 | #332 of 766 |
| National rank | #96 of 766 | #332 of 766 |
| Sector | Catholic | Catholic |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 1,085 | 1,090 |
| Enrolment | 1,085 | 1,090 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 63% | 61% |
| OSSLT pass rate | 94% | 84% |
| Low-income households | 4% | 9% |
| Parents without a credential | 2% | 4% |
| First language not English | 8% | 15% |
| Special education | 19% | 19% |
| Identified as gifted | 1% | 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 | Grimsby | Mississauga |
| province | Ontario | Ontario |
| Website | www.blessedtrinitycss.ca/ | www.dpcdsb.org/MARTN |
The verdict
- •Blessed Trinity Catholic Secondary School scores higher on the Success Index (Canada) (77.5 vs 54.5).
- •Blessed Trinity Catholic Secondary School does better on eqao grade 9 mathematics (63% vs 61%).
- •Blessed Trinity Catholic Secondary School does better on osslt first-attempt pass rate (94% vs 84%).
- •St Martin Secondary School is the larger school with 1,090 students compared with 1,085.
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 Blessed Trinity Catholic Secondary School better than St Martin Secondary School?
On the Success Index (Canada), Blessed Trinity Catholic Secondary School ranks higher (77.5 vs 54.5 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 Blessed Trinity Catholic Secondary School and St Martin Secondary School?
About 40 km in a straight line, between Grimsby and Mississauga in Ontario.
Which has the better Enrolment?
Blessed Trinity Catholic Secondary School: 1,085. St Martin Secondary School: 1,090. Students enrolled in the latest published year.
How do Blessed Trinity Catholic Secondary School and St Martin Secondary School rank in Ontario?
Blessed Trinity Catholic Secondary School is 96th of 766 and St Martin Secondary School is 332nd of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).