Ecole Harris Mill Public School vs Holy Trinity Catholic School
A head-to-head comparison of two elementary schools in Ontario, Canada, 7.9 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Ecole Harris Mill Public School
Rockwood · Public elementary · Grades JK-6
235 students
Holy Trinity Catholic School
Guelph · Catholic elementary · Grades JK-8
475 students
| Measure | Ecole Harris Mill Public School Rockwood, Ontario | Holy Trinity Catholic School Guelph, Ontario |
|---|---|---|
| Success Index (Canada) | 52 Top 50% | 66 Top 50% |
| Province rank | #1880 of 3,871 | #1002 of 3,871 |
| National rank | #1880 of 3,871 | #1002 of 3,871 |
| Sector | Public | Catholic |
| Type | Elementary | Elementary |
| Year range | Grades JK-6 | Grades JK-8 |
| Students | 235 | 475 |
| Enrolment | 235 | 475 |
| EQAO Grade 3 | 68.3% | 77.7% |
| EQAO Grade 6 | – | 81% |
| EQAO Grade 9 maths | – | – |
| OSSLT pass rate | – | – |
| Low-income households | 5% | 5% |
| Parents without a credential | 5% | 5% |
| First language not English | 10% | 10% |
| Special education | 10% | 15% |
| 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 | Rockwood | Guelph |
| province | Ontario | Ontario |
| Website | www.ugdsb.ca/harrismill | www.wellingtoncdsb.ca/school/holytrinity/Pages/default.aspx |
The verdict
- •Holy Trinity Catholic School scores higher on the Success Index (Canada) (66.3 vs 51.9).
- •Holy Trinity Catholic School does better on eqao grade 3 (reading, writing, maths) (77.7% vs 68.3%).
- •Holy Trinity Catholic School is the larger school with 475 students compared with 235.
- •Ecole Harris Mill Public School is a public school while Holy Trinity Catholic School is a catholic school, so fees and admission rules differ.
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 Ecole Harris Mill Public School better than Holy Trinity Catholic School?
On the Success Index (Canada), Holy Trinity Catholic School ranks higher (66.3 vs 51.9 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 Ecole Harris Mill Public School and Holy Trinity Catholic School?
About 7.9 km in a straight line, between Rockwood and Guelph in Ontario.
Which has the better Enrolment?
Ecole Harris Mill Public School: 235. Holy Trinity Catholic School: 475. Students enrolled in the latest published year.
How do Ecole Harris Mill Public School and Holy Trinity Catholic School rank in Ontario?
Ecole Harris Mill Public School is 1880th of 3,871 and Holy Trinity Catholic School is 1002nd of 3,871 among elementary schools in Ontario on the 2025 Success Index (Canada).