St Mary Catholic Secondary School
1918 Whites Rd · Pickering · L1V1R9 · Durham CDSB
Pickering and its 3 km edge have 9 secondary schools; St Mary Catholic Secondary School is one. Every school in and around Pickering →
What stands out about St Mary Catholic Secondary School
- A large secondary school: 1,310 students, against a middle of 810 in Ontario.
- Its results sit in the second fifth in Ontario, averaged over its measures.
- Its best showing is Grade 9 math, at 61% where the middle in Ontario is 55%.
- An English Catholic school, run by Durham CDSB.
How St Mary 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.
St Mary Catholic Secondary School reports 2 of 2 measures; on average they sit in the second fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 61% | 55% | Second fifth | +2 |
| Literacy test (OSSLT), first try | 92% | 85% | Top fifth | +7 |
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 Catholic Secondary School, and no letter
The second fifth in Ontario is where St Mary Catholic Secondary 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 Pickering: its School Grade weighs St Mary Catholic Secondary School with every other school around it.
Getting a place at St Mary 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 funds the Catholic system in full; its high schools are open to all, its elementary schools mostly to Catholic families.
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.
2 of the 6 nearest secondary schools have more students than St Mary Catholic Secondary School.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| St Mary Catholic Secondary School | English Catholic | English | 1,310 | Second fifth | |
| Dunbarton High School | English public | English | 1,630 | Second fifth | 1.6 km |
| Pine Ridge Secondary School | English public | English | 1,150 | Fourth fifth | 2.8 km |
| École secondaire Ronald-Marion | French public | French | 230 | Top fifth | 4.6 km |
| Pickering High School | English public | English | 1,870 | Second fifth | 5.8 km |
| Sir Oliver Mowat Collegiate Institute | English public | English | 950 | Middle fifth | 6.4 km |
| St Mother Teresa Catholic Academy | English Catholic | English | 525 | Bottom fifth | 7.8 km |
Secondary schools near St Mary 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 St Mary Catholic Secondary School
Who runs St Mary Catholic Secondary School?
The board is Durham CDSB; St Mary Catholic Secondary School is English Catholic.
What language does St Mary Catholic Secondary School teach in?
English.
How do pupils get a place at St Mary Catholic Secondary School?
Enrolment goes through the board; schools outside your area take students when they have room.
Which schools of the same kind are near St Mary Catholic Secondary School?
Nearest of all: Dunbarton High School (1.6 km), Pine Ridge Secondary School (2.8 km) and École secondaire Ronald-Marion (4.6 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).