St Mary's High School
555 15th St E · Owen Sound · N4K1X2 · Bruce-Grey CDSB
Around Owen Sound, within 3 km, there are 3 secondary schools, St Mary's High School among them. Every school in and around Owen Sound →
What stands out about St Mary's High School
- 1,035 students, near the middle of 810 for secondary schools in Ontario.
- On the measures with a value, it lands in the fourth fifth in Ontario.
- Its weakest measure is Grade 9 math, at 44% where the middle in Ontario is 55%.
- Catholic and English-language, under Bruce-Grey CDSB.
- The only English Catholic secondary school in or within 3 km of Owen Sound.
How St Mary's High 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.
St Mary's High School reports 2 of 2 measures; on average they sit in the fourth fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 44% | 55% | Fourth fifth | −1 |
| Literacy test (OSSLT), first try | 80% | 85% | Fourth fifth | −1 |
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.
A results band for St Mary's High School, and no letter
The fourth fifth in Ontario is where St Mary's High School’s results put it among the province’s schools. That is the comparison the published figures allow; a letter is something we give towns, not single schools.
The letter belongs to Owen Sound: its School Grade weighs St Mary's High School with every other school around it.
Getting a place at St Mary's High School
Where a family lives sets the school: each board draws a catchment around every one of its schools, and a child living inside it has a place there. Other schools take children from outside when they have room.
Families who aren’t Catholic can usually choose a Catholic high school, though rarely a Catholic elementary one.
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
Schools of the same level around it, closest first.
| School | System | Language | Band | Away |
|---|---|---|---|---|
| St Mary's High School | English Catholic | English | Fourth fifth | |
| École secondaire catholique Saint-Dominique-Savio | French Catholic | French | – | 1.3 km |
| Owen Sound District Secondary School Secondary School | English public | English | Fourth fifth | 2.1 km |
Secondary schools near St Mary's High School
Nearest first, as the crow flies, up to 25 km. Each school’s own admission policy decides who gets a place.
Questions about St Mary's High School
Who runs St Mary's High School?
St Mary's High School belongs to Bruce-Grey CDSB (English Catholic).
What language does St Mary's High School teach in?
English.
How do pupils get a place at St Mary's High School?
Ask the board which school serves your street, then register through it.
Which schools of the same kind are near St Mary's High School?
The closest schools are École secondaire catholique Saint-Dominique-Savio (1.3 km) and Owen Sound District Secondary School Secondary School (2.1 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).