














Holy Trinity Catholic Secondary School
18044 Tyotown Rd · South Glengarry · K6H7S6 · CDSB of Eastern Ontario
Holy Trinity Catholic Secondary School is one of 4 secondary schools in or within 3 km of South Glengarry. Every school in and around South Glengarry →
What stands out about Holy Trinity Catholic Secondary School
- 535 students, near the middle of 810 for secondary schools in Ontario.
- On the measures with a value, it lands in the bottom fifth in Ontario.
- Its weakest measure is Grade 9 math, at 41% where the middle in Ontario is 55%.
- Catholic and English-language, under CDSB of Eastern Ontario.
- No other English Catholic secondary school is within 3 km of South Glengarry.
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.
On average across 2 reported measures of 2, Holy Trinity Catholic Secondary School is in the bottom fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 41% | 55% | Fourth fifth | +9 |
| Literacy test (OSSLT), first try | 72% | 85% | Bottom fifth | −15 |
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.
Holy Trinity Catholic Secondary School is placed by its results, not lettered
Single schools aren’t lettered here; towns are. Holy Trinity Catholic Secondary School is placed instead by its results against the other schools in Ontario, which puts it in the bottom fifth.
Holy Trinity Catholic Secondary School feeds into South Glengarry’s School Grade, together with the other schools nearby.
Getting a place at Holy Trinity Catholic Secondary School
No application round, no lottery: the address fixes the school, and the board handles the paperwork.
Catholic schools here are public, paid for by the province. Elementary places usually go to Catholic families; Catholic high schools take any student.
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 nearest neighbours of the same level, any system.
Of the 6 secondary schools nearest Holy Trinity Catholic Secondary School, 2 are larger.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| Holy Trinity Catholic Secondary School | English Catholic | English | 535 | Bottom fifth | |
| St Lawrence Secondary School | English public | English | 505 | Bottom fifth | 2.8 km |
| École secondaire publique L'Héritage | French public | French | 195 | Middle fifth | 3.9 km |
| École secondaire catholique La Citadelle | French Catholic | French | 465 | Second fifth | 4.2 km |
| Cornwall Collegiate and Vocational School | English public | English | 575 | Bottom fifth | 5.2 km |
| St Joseph's Secondary School | English Catholic | English | 745 | Fourth fifth | 6.3 km |
| Charlottenburgh and Lancaster District High School | English public | English | 200 | Second fifth | 13 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 CDSB of Eastern Ontario (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?
Each board registers its own students; its website gives the school for an address.
Which schools of the same kind are near Holy Trinity Catholic Secondary School?
Its nearest neighbours are St Lawrence Secondary School (2.8 km), École secondaire publique L'Héritage (3.9 km) and École secondaire catholique La Citadelle (4.2 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).