Holy Trinity Catholic Secondary School vs St. Gregory the Great Catholic Elementary School
A head-to-head comparison of two schools in Ontario, Canada, 1.1 km apart, using official Canadian 2025 data. The better value in each row is highlighted.
Holy Trinity Catholic Secondary School
Oakville · Catholic secondary · Grades 9-12
1,775 students
St. Gregory the Great Catholic Elementary School
Oakville · Catholic elementary · Grades JK-8
500 students
| Measure | Holy Trinity Catholic Secondary School Oakville, Ontario | St. Gregory the Great Catholic Elementary School Oakville, Ontario |
|---|---|---|
| Success Index (Canada) | 70 Top 25% | 74 Top 25% |
| Province rank | #172 of 766 | #608 of 3,871 |
| National rank | #172 of 766 | #608 of 3,871 |
| Sector | Catholic | Catholic |
| Type | Secondary | Elementary |
| Year range | Grades 9-12 | Grades JK-8 |
| Students | 1,775 | 500 |
| Enrolment | 1,775 | 500 |
| EQAO Grade 3 | – | 80.7% |
| EQAO Grade 6 | – | 85% |
| EQAO Grade 9 maths | 69% | – |
| OSSLT pass rate | 88% | – |
| Low-income households | 9% | 10% |
| Parents without a credential | 1% | 0% |
| First language not English | 24% | 25% |
| Special education | 16% | 10% |
| 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 | Oakville | Oakville |
| province | Ontario | Ontario |
| Website | www.holytrinityoakville.ca/ | – |
The verdict
- •St. Gregory the Great Catholic Elementary School scores higher on the Success Index (Canada) (73.9 vs 70.0).
- •Holy Trinity Catholic Secondary School is the larger school with 1,775 students compared with 500.
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 Holy Trinity Catholic Secondary School better than St. Gregory the Great Catholic Elementary School?
On the Success Index (Canada), St. Gregory the Great Catholic Elementary School ranks higher (73.9 vs 70.0 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 Holy Trinity Catholic Secondary School and St. Gregory the Great Catholic Elementary School?
About 1.1 km in a straight line, between Oakville and Oakville in Ontario.
Which has the better Enrolment?
Holy Trinity Catholic Secondary School: 1,775. St. Gregory the Great Catholic Elementary School: 500. Students enrolled in the latest published year.
How do Holy Trinity Catholic Secondary School and St. Gregory the Great Catholic Elementary School rank in Ontario?
Holy Trinity Catholic Secondary School is 172nd of 766 and St. Gregory the Great Catholic Elementary School is 608th of 3,871 among secondary schools in Ontario on the 2025 Success Index (Canada).