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105 Bayly St E · Ajax · L1S1P2 · Durham DSB
Ajax High School is one of 9 secondary schools in or within 3 km of Ajax. Every school in and around Ajax →
What stands out about Ajax High School
- A large secondary school: 1,330 students, against a middle of 810 in Ontario.
- Across its measures, its results average to the fourth fifth in Ontario.
- Furthest behind on Grade 9 math: 48%, against 55% in Ontario.
- An English public school, run by Durham DSB.
How Ajax 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.
Ajax 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 | 48% | 55% | Fourth fifth | +6 |
| 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.
A results band for Ajax High School, and no letter
Single schools aren’t lettered here; towns are. Ajax High School is placed instead by its results against the other schools in Ontario, which puts it in the fourth fifth.
Ajax’s School Grade, on its Schools page, is where Ajax High School counts towards a letter.
Getting a place at Ajax 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.
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
Same-level schools nearby, nearest first, of every system.
2 of the 6 nearest secondary schools have more students than Ajax High School.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| Ajax High School | English public | English | 1,330 | Fourth fifth | |
| Archbishop Denis O'Connor Catholic High School | English Catholic | English | 710 | Fourth fifth | 1.6 km |
| Pickering High School | English public | English | 1,870 | Second fifth | 3.8 km |
| J Clarke Richardson Collegiate Institute | English public | English | 2,010 | Middle fifth | 4.5 km |
| Notre Dame Catholic Secondary School | English Catholic | English | 1,065 | Middle fifth | 4.6 km |
| École secondaire Ronald-Marion | French public | French | 230 | Top fifth | 5.5 km |
| Henry Street High School | English public | English | 1,120 | Second fifth | 6.4 km |
Secondary schools near Ajax 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 Ajax High School
Who runs Ajax High School?
Ajax High School comes under Durham DSB (English public).
What language does Ajax High School teach in?
English.
How do pupils get a place at Ajax High School?
Register with the board that runs the school: the address decides the designated school in each system, and the board can say which one it is.
Which schools of the same kind are near Ajax High School?
Nearby: Archbishop Denis O'Connor Catholic High School (1.6 km), Pickering High School (3.8 km) and J Clarke Richardson Collegiate Institute (4.5 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).