Sir William Mulock Secondary School
705 Columbus Way · Newmarket · L3X2M7 · York Region DSB
Around Newmarket, within 3 km, there are 8 secondary schools, Sir William Mulock Secondary School among them. Every school in and around Newmarket →
What stands out about Sir William Mulock Secondary School
- A large secondary school: 1,190 students, against a middle of 810 in Ontario.
- Across its measures, its results average to the second fifth in Ontario.
- On Grade 9 math it reaches 59%, above the 55% in Ontario.
- Public and English-language, under York Region DSB.
How Sir William Mulock 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.
With 2 of 2 measures reported, Sir William Mulock Secondary School averages the second fifth in Ontario.
| Measure | Here | Middle, Ontario | Band | 3-year change |
|---|---|---|---|---|
| Grade 9 math | 59% | 55% | Second fifth | +0 |
| Literacy test (OSSLT), first try | 89% | 85% | Second fifth | +3 |
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 Sir William Mulock Secondary School, and no letter
Its standing, the second fifth in Ontario, comes from the province’s published results set beside every other school’s; Sir William Mulock Secondary School itself carries no letter, since letters are kept for towns.
For a letter, see Newmarket’s Schools page: the town’s grade takes in Sir William Mulock Secondary School and its neighbours.
Getting a place at Sir William Mulock Secondary School
Registration happens with the board, not the school; the board names the school for the address.
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
Its level’s nearest schools, measured as the crow flies.
4 of the 6 nearest secondary schools have more students than Sir William Mulock Secondary School.
| School | System | Language | Students | Band | Away |
|---|---|---|---|---|---|
| Sir William Mulock Secondary School | English public | English | 1,190 | Second fifth | |
| Dr G W Williams Secondary School | English public | English | 1,515 | Top fifth | 3.6 km |
| St Maximilian Kolbe High School | English Catholic | English | 1,245 | Middle fifth | 3.8 km |
| Newmarket High School | English public | English | 1,515 | Top fifth | 4 km |
| Aurora High School | English public | English | 1,020 | Top fifth | 4.1 km |
| Dr John M Denison Secondary School | English public | English | 1,000 | Fourth fifth | 4.1 km |
| Sacred Heart Catholic High School | English Catholic | English | 1,240 | Middle fifth | 4.2 km |
Secondary schools near Sir William Mulock 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 Sir William Mulock Secondary School
Who runs Sir William Mulock Secondary School?
Sir William Mulock Secondary School belongs to York Region DSB (English public).
What language does Sir William Mulock Secondary School teach in?
English.
How do pupils get a place at Sir William Mulock Secondary School?
Registration is with the board, which assigns the school for the home address.
Which schools of the same kind are near Sir William Mulock Secondary School?
Its nearest neighbours are Dr G W Williams Secondary School (3.6 km), St Maximilian Kolbe High School (3.8 km) and Newmarket High School (4 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).