St Mary Catholic School
1285 Read Rd RR 1 · Shannonville · K0K3A0 · Algonquin and Lakeshore CDSB
Counting 3 km around Tyendinaga, St Mary Catholic School is one of 4 elementary schools. Every school in and around Tyendinaga →
What stands out about St Mary Catholic School
- With 140 students it is smaller than three in four elementary schools in Ontario (middle: 335).
- Across its measures, its results average to the middle fifth in Ontario.
- Its best showing is Grade 3 math, at 69% where the middle in Ontario is 65%.
- Its results have eased: 2 measures down 5 points or more in three years.
- Catholic and English-language, under Algonquin and Lakeshore CDSB.
How St Mary Catholic 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 3 of 6 measures reported, St Mary Catholic School averages the middle fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 3 reading | 77% | 76% | Middle fifth | −10 |
| Grade 3 writing | 69% | 65% | Middle fifth | +16 |
| Grade 3 math | 69% | 65% | Second fifth | −11 |
| Grade 6 reading | not reported | – | – | – |
| Grade 6 writing | not reported | – | – | – |
| Grade 6 math | not reported | – | – | – |
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.
Where St Mary Catholic School sits among the province’s schools
Against the other schools in Ontario, St Mary Catholic School’s results fall in the middle fifth. That band is its measure here: the letters on this site are for towns.
The letter belongs to Tyendinaga: its School Grade weighs St Mary Catholic School with every other school around it.
Getting a place at St Mary Catholic School
Each school serves a defined area. A place elsewhere is possible when that school has room.
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 elementary schools
The closest schools of its level, by straight-line distance.
Of the 6 elementary schools nearest St Mary Catholic School, 5 are larger.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| St Mary Catholic School | English Catholic | English | 140 | Middle fifth | |
| Tyendinaga Public School | English public | English | 380 | Second fifth | 9.5 km |
| Holy Name of Mary Catholic School | English Catholic | English | 140 | Fourth fifth | 11 km |
| Harmony Public School | English public | English | 720 | Middle fifth | 15 km |
| Foxboro Public School | English public | English | 410 | Middle fifth | 18 km |
| Harry J Clarke Public School | English public | English | 605 | Fourth fifth | 18 km |
| Deseronto Public School | English public | English | 165 | Second fifth | 18 km |
Elementary schools near St Mary Catholic 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 School
Who runs St Mary Catholic School?
St Mary Catholic School belongs to Algonquin and Lakeshore CDSB (English Catholic).
What language does St Mary Catholic School teach in?
English.
How do pupils get a place at St Mary Catholic School?
Ask the board which school serves your street, then register through it.
Which schools of the same kind are near St Mary Catholic School?
Closest by: Tyendinaga Public School (9.5 km), Holy Name of Mary Catholic School (11 km) and Harmony Public School (15 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).