Ascension of Our Lord Secondary School vs Iona Secondary School
A head-to-head comparison of two secondary schools in Ontario, Canada, 23 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Ascension of Our Lord Secondary School
Mississauga · Catholic secondary · Grades 9-12
655 students
Iona Secondary School
Mississauga · Catholic secondary · Grades 9-12
655 students
| Measure | Ascension of Our Lord Secondary School Mississauga, Ontario | Iona Secondary School Mississauga, Ontario |
|---|---|---|
| Success Index (Canada) | 16 Lower 50% | 50 Lower 50% |
| Province rank | #693 of 766 | #391 of 766 |
| National rank | #693 of 766 | #391 of 766 |
| Sector | Catholic | Catholic |
| Type | Secondary | Secondary |
| Year range | Grades 9-12 | Grades 9-12 |
| Students | 655 | 655 |
| Enrolment | 655 | 655 |
| EQAO Grade 3 | – | – |
| EQAO Grade 6 | – | – |
| EQAO Grade 9 maths | 40% | 57% |
| OSSLT pass rate | 69% | 83% |
| Low-income households | 12% | 9% |
| Parents without a credential | 9% | 4% |
| First language not English | 21% | 27% |
| Special education | 16% | 24% |
| Identified as gifted | 0% | 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 | Mississauga | Mississauga |
| province | Ontario | Ontario |
| Website | www.dpcdsb.org/ASCEN | www.dpcdsb.org/IONAS |
The verdict
- •Iona Secondary School scores higher on the Success Index (Canada) (49.8 vs 16.3).
- •Iona Secondary School does better on eqao grade 9 mathematics (57% vs 40%).
- •Iona Secondary School does better on osslt first-attempt pass rate (83% vs 69%).
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 Ascension of Our Lord Secondary School better than Iona Secondary School?
On the Success Index (Canada), Iona Secondary School ranks higher (49.8 vs 16.3 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 Ascension of Our Lord Secondary School and Iona Secondary School?
About 23 km in a straight line, between Mississauga and Mississauga in Ontario.
Which has the better Enrolment?
Ascension of Our Lord Secondary School: 655. Iona Secondary School: 655. Students enrolled in the latest published year.
How do Ascension of Our Lord Secondary School and Iona Secondary School rank in Ontario?
Ascension of Our Lord Secondary School is 693rd of 766 and Iona Secondary School is 391st of 766 among secondary schools in Ontario on the 2025 Success Index (Canada).