Mother Teresa Catholic Secondary School vs St Mark Separate School
A head-to-head comparison of two schools in Ontario, Canada, 2.0 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Mother Teresa Catholic Secondary School
London · Catholic secondary · Grades 9-12
1,795 students
St Mark Separate School
London · Catholic elementary · Grades JK-8
425 students
| Measure | Mother Teresa Catholic Secondary School London, Ontario | St Mark Separate School London, Ontario |
|---|---|---|
| Success Index (Canada) | 56 Top 50% | 53 Top 50% |
| Province rank | #315 of 766 | #1828 of 3,871 |
| National rank | #315 of 766 | #1828 of 3,871 |
| Sector | Catholic | Catholic |
| Type | Secondary | Elementary |
| Year range | Grades 9-12 | Grades JK-8 |
| Students | 1,795 | 425 |
| Enrolment | 1,795 | 425 |
| EQAO Grade 3 | – | 77% |
| EQAO Grade 6 | – | 72% |
| EQAO Grade 9 maths | 58% | – |
| OSSLT pass rate | 90% | – |
| Low-income households | 11% | 15% |
| Parents without a credential | 4% | 0% |
| First language not English | 24% | 20% |
| Special education | 10% | 5% |
| Identified as gifted | 1% | 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 | London | London |
| province | Ontario | Ontario |
| Website | www.ldcsb.ca/school/MTS/ | www.ldcsb.ca/school/MRK/ |
The verdict
- •Mother Teresa Catholic Secondary School scores higher on the Success Index (Canada) (55.7 vs 52.7).
- •Mother Teresa Catholic Secondary School is the larger school with 1,795 students compared with 425.
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 Mother Teresa Catholic Secondary School better than St Mark Separate School?
On the Success Index (Canada), Mother Teresa Catholic Secondary School ranks higher (55.7 vs 52.7 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 Mother Teresa Catholic Secondary School and St Mark Separate School?
About 2.0 km in a straight line, between London and London in Ontario.
Which has the better Enrolment?
Mother Teresa Catholic Secondary School: 1,795. St Mark Separate School: 425. Students enrolled in the latest published year.
How do Mother Teresa Catholic Secondary School and St Mark Separate School rank in Ontario?
Mother Teresa Catholic Secondary School is 315th of 766 and St Mark Separate School is 1828th of 3,871 among secondary schools in Ontario on the 2025 Success Index (Canada).