École élémentaire Alliance Saint-Joseph vs St Mary Catholic School
A head-to-head comparison of two elementary schools in Ontario, Canada, 395 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
École élémentaire Alliance Saint-Joseph
Chelmsford · Catholic elementary · Grades JK-8
360 students
St Mary Catholic School
Trenton · Catholic elementary · Grades JK-6
360 students
| Measure | École élémentaire Alliance Saint-Joseph Chelmsford, Ontario | St Mary Catholic School Trenton, Ontario |
|---|---|---|
| Success Index (Canada) | 62 Top 50% | 42 Lower 50% |
| Province rank | #1227 of 3,871 | #2417 of 3,871 |
| National rank | #1227 of 3,871 | #2417 of 3,871 |
| Sector | Catholic | Catholic |
| Type | Elementary | Elementary |
| Year range | Grades JK-8 | Grades JK-6 |
| Students | 360 | 360 |
| Enrolment | 360 | 360 |
| EQAO Grade 3 | 76% | 55% |
| EQAO Grade 6 | 77.7% | 73.7% |
| EQAO Grade 9 maths | – | – |
| OSSLT pass rate | – | – |
| Low-income households | 10% | 10% |
| Parents without a credential | 0% | 0% |
| First language not English | 65% | 5% |
| Special education | 20% | 20% |
| 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 | Chelmsford | Trenton |
| province | Ontario | Ontario |
| Website | alliancestjoseph.nouvelon.ca/ | www.alcdsb.on.ca/school/stmt/Pages/default.aspx |
The verdict
- •École élémentaire Alliance Saint-Joseph scores higher on the Success Index (Canada) (62.4 vs 42.3).
- •École élémentaire Alliance Saint-Joseph does better on eqao grade 3 (reading, writing, maths) (76% vs 55%).
- •École élémentaire Alliance Saint-Joseph does better on eqao grade 6 (reading, writing, maths) (77.7% vs 73.7%).
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 École élémentaire Alliance Saint-Joseph better than St Mary Catholic School?
On the Success Index (Canada), École élémentaire Alliance Saint-Joseph ranks higher (62.4 vs 42.3 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 École élémentaire Alliance Saint-Joseph and St Mary Catholic School?
About 395 km in a straight line, between Chelmsford and Trenton in Ontario.
Which has the better Enrolment?
École élémentaire Alliance Saint-Joseph: 360. St Mary Catholic School: 360. Students enrolled in the latest published year.
How do École élémentaire Alliance Saint-Joseph and St Mary Catholic School rank in Ontario?
École élémentaire Alliance Saint-Joseph is 1227th of 3,871 and St Mary Catholic School is 2417th of 3,871 among elementary schools in Ontario on the 2025 Success Index (Canada).