St Mary's Separate School
37 Main St · Chesterville · K0C1H0 · CDSB of Eastern Ontario
St Mary's Separate School is one of 7 elementary schools in or within 3 km of Winchester. Every school in and around Winchester →
What stands out about St Mary's Separate School
- A small elementary school: 215 students, against a middle of 335 in Ontario.
- Across its measures, its results average to the fourth fifth in Ontario.
- On Grade 3 writing it reaches 37%, below the 65% in Ontario.
- Its results have climbed: 3 measures up 5 points or more in three years.
- Catholic and English-language, under CDSB of Eastern Ontario.
- No other English Catholic elementary school is within 3 km of Winchester.
How St Mary's Separate 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 6 of 6 measures reported, St Mary's Separate School averages the fourth fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 3 reading | 56% | 76% | Bottom fifth | +8 |
| Grade 3 writing | 37% | 65% | Bottom fifth | −7 |
| Grade 3 math | 41% | 65% | Bottom fifth | +22 |
| Grade 6 reading | 95% | 88% | Top fifth | +9 |
| Grade 6 writing | 86% | 86% | Middle fifth | −5 |
| Grade 6 math | 41% | 51% | Fourth fifth | −4 |
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.
Why St Mary's Separate School has a band rather than a letter
Its standing, the fourth fifth in Ontario, comes from the province’s published results set beside every other school’s; St Mary's Separate School itself carries no letter, since letters are kept for towns.
For a letter, see Winchester’s Schools page: the town’s grade takes in St Mary's Separate School and its neighbours.
Getting a place at St Mary's Separate School
Where a family lives settles it: the board’s map ties every address to one school, and a seat anywhere else waits on spare room.
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 elementary schools
Its level’s nearest schools, measured as the crow flies.
2 of the 6 nearest elementary schools have more students than St Mary's Separate School.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| St Mary's Separate School | English Catholic | English | 215 | Fourth fifth | |
| Chesterville Public School | English public | English | 220 | Fourth fifth | 0.4 km |
| North Dundas Intermediate School | English public | English | 195 | – | 4.9 km |
| Winchester Public School | English public | English | 285 | Second fifth | 9.9 km |
| École élémentaire catholique Sainte-Thérèse-d'Avila | French Catholic | French | 170 | Second fifth | 13 km |
| École élémentaire catholique Notre-Dame-du-Rosaire | French Catholic | French | 175 | Bottom fifth | 14 km |
| École élémentaire catholique Saint-Albert | French Catholic | French | 110 | Fourth fifth | 19 km |
Elementary schools near St Mary's Separate 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 Separate School
Who runs St Mary's Separate School?
St Mary's Separate School belongs to CDSB of Eastern Ontario (English Catholic).
What language does St Mary's Separate School teach in?
English.
How do pupils get a place at St Mary's Separate School?
Each board registers its own students; its website gives the school for an address.
Which schools of the same kind are near St Mary's Separate School?
Closest by: Chesterville Public School (0.4 km), North Dundas Intermediate School (4.9 km) and Winchester Public School (9.9 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).