Notre Dame Catholic Secondary School
1375 Harwood Ave N · Ajax · L1T4G8 · Durham CDSB
Ajax and its 3 km edge have 9 secondary schools; Notre Dame Catholic Secondary School is one. Every school in and around Ajax →
What stands out about Notre Dame Catholic Secondary School
- A typical size: 1,065 students, where the middle secondary school in Ontario has 810.
- Its results sit in the middle fifth in Ontario, averaged over its measures.
- Its weakest measure is Grade 9 math, at 51% where the middle in Ontario is 55%.
- Catholic and English-language, under Durham CDSB.
How Notre Dame 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.
Notre Dame Catholic Secondary School reports 2 of 2 measures; on average they sit in the middle fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 51% | 55% | Middle fifth | −7 |
| Literacy test (OSSLT), first try | 87% | 85% | Middle fifth | +2 |
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.
Notre Dame Catholic Secondary School is placed by its results, not lettered
Notre Dame Catholic Secondary School has no letter because TownRatings grades towns, not individual schools. What it does have is a standing: on the province’s published results it lands in the middle fifth in Ontario.
Notre Dame Catholic Secondary School feeds into Ajax’s School Grade, together with the other schools nearby.
Getting a place at Notre Dame Catholic Secondary 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.
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
The nearest schools of the same level, as the crow flies: system, language and, where published, students and results.
4 of the 6 nearest secondary schools have more students than Notre Dame Catholic Secondary School.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| Notre Dame Catholic Secondary School | English Catholic | English | 1,065 | Middle fifth | |
| J Clarke Richardson Collegiate Institute | English public | English | 2,010 | Middle fifth | 0.1 km |
| Archbishop Denis O'Connor Catholic High School | English Catholic | English | 710 | Fourth fifth | 3 km |
| Pickering High School | English public | English | 1,870 | Second fifth | 3.8 km |
| Ajax High School | English public | English | 1,330 | Fourth fifth | 4.6 km |
| École secondaire Ronald-Marion | French public | French | 230 | Top fifth | 4.9 km |
| Donald A Wilson Secondary School | English public | English | 1,275 | Top fifth | 5.1 km |
Secondary schools near Notre Dame 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 Notre Dame Catholic Secondary School
Who runs Notre Dame Catholic Secondary School?
It is Durham CDSB that runs Notre Dame Catholic Secondary School, in the English Catholic system.
What language does Notre Dame Catholic Secondary School teach in?
English.
How do pupils get a place at Notre Dame Catholic Secondary School?
Start with the board for the system you want; your address sets the school.
Which schools of the same kind are near Notre Dame Catholic Secondary School?
Nearest of all: J Clarke Richardson Collegiate Institute (0.1 km), Archbishop Denis O'Connor Catholic High School (3 km) and Pickering High School (3.8 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).