
Holy Trinity Catholic Secondary School
2420 Sixth Line · Oakville · L6H5Z8 · Halton CDSB
One of Oakville’s 17 secondary schools, counting 3 km beyond the edge: Holy Trinity Catholic Secondary School. Every school in and around Oakville →
What stands out about Holy Trinity Catholic Secondary School
- 1,775 students, well above the 810 of a typical secondary school in Ontario.
- Its results sit in the second fifth in Ontario, averaged over its measures.
- Its best showing is Grade 9 math, at 69% where the middle in Ontario is 55%.
- Catholic and English-language, under Halton CDSB.
How Holy Trinity Catholic Secondary School does on Ontario’s tests
EQAO’s Grade 3, 6 and 9 assessments and the literacy test, 2024-25: each school against every school in Ontario.
With 2 of 2 measures reported, Holy Trinity Catholic Secondary School averages the second fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 69% | 55% | Top fifth | +6 |
| Literacy test (OSSLT), first try | 88% | 85% | Second fifth | −6 |
N/R: EQAO doesn’t report groups too small to keep students anonymous. The three-year change is in percentage points, as the ministry publishes it.
How Holy Trinity Catholic Secondary School is placed without a letter
In Ontario, schools are compared on the province’s published results, so Holy Trinity Catholic Secondary School gets a place among them, the second fifth, rather than a letter of its own.
Oakville’s School Grade, on its Schools page, is where Holy Trinity Catholic Secondary School counts towards a letter.
Getting a place at Holy Trinity Catholic Secondary School
Boards set boundaries for each school; living inside one guarantees a place there, and moving across one usually means a request.
Ontario’s Catholic boards are publicly funded. Their elementary schools generally ask that a parent or the child be Catholic; their high schools are open to all students.
The provinces’ education acts and the boards’ own admission policies; check with the board for a given address.
Side by side with the nearest secondary schools
Its level’s nearest schools, measured as the crow flies.
Of the 6 secondary schools nearest Holy Trinity Catholic Secondary School, 1 are larger.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| Holy Trinity Catholic Secondary School | English Catholic | English | 1,775 | Second fifth | |
| École secondaire Gaétan Gervais | French public | French | 170 | Top fifth | 1.9 km |
| White Oaks Secondary School | English public | English | 2,180 | Top fifth | 2.1 km |
| Iroquois Ridge High School | English public | English | 1,585 | Top fifth | 2.7 km |
| St. Ignatius of Loyola Catholic Secondary School | English Catholic | English | 1,300 | Second fifth | 3.1 km |
| Abbey Park High School | English public | English | 1,290 | Top fifth | 4.1 km |
| Garth Webb Secondary School | English public | English | 1,655 | Top fifth | 4.8 km |
Secondary schools near Holy Trinity Catholic Secondary School
Nearest first, as the crow flies, up to 25 km. Each school’s own admission policy decides who gets a place.
Questions about Holy Trinity Catholic Secondary School
Who runs Holy Trinity Catholic Secondary School?
Holy Trinity Catholic Secondary School comes under Halton CDSB (English Catholic).
What language does Holy Trinity Catholic Secondary School teach in?
English.
How do pupils get a place at Holy Trinity Catholic Secondary School?
Contact the board: it names the school for your address and takes the registration.
Which schools of the same kind are near Holy Trinity Catholic Secondary School?
Nearby: École secondaire Gaétan Gervais (1.9 km), White Oaks Secondary School (2.1 km) and Iroquois Ridge High School (2.7 km).
Sources: Ontario Ministry of Education, School Information Finder 2024–25 and school contact list (Open Government Licence – Ontario) · Ontario Ministry of Education, School Information Finder 2024–25 (EQAO results; N/R where groups are too small). Open Government Licence – Ontario. · map tiles © OpenStreetMap contributors. Under the Statistics Canada Open Licence.
Adapted from Statistics Canada (Census of Population 2021, population estimates 2025, 2021 census boundaries) under the Statistics Canada Open Licence; this does not constitute an endorsement by Statistics Canada. Neighbourhood names in some cities © OpenStreetMap contributors (ODbL).