Dr John M Denison Secondary School
🇨🇦 Official data · 2025Newmarket, Ontario L3Y8J7 · York Region DSB
#442 of 766 secondary schools in Ontario
#442 of 766 nationally
About Dr John M Denison Secondary School
Dr John M Denison Secondary School is a public secondary located in Newmarket, in the York Region DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,000 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 44.3 out of 100, placing it in the lower 50% of secondary schools in Canada and 442nd of 766 ranked secondary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (61th percentile), and its weakest is eqao grade 9 mathematics (32th percentile).
Other published figures: enrolment 1,000; first language not english 34%; special education 26%; identified as gifted 0%.
There are 40 schools in Newmarket; Dr John M Denison Secondary School ranks 22nd of 28 scored schools there.
Success Index (Canada) breakdown
Each component is a percentile against secondary schools across Canada.
- EQAO Grade 3 (reading, writing, maths) (20%)–
- EQAO Grade 6 (reading, writing, maths) (25%)–
- EQAO Grade 9 mathematics (25%)47%
- OSSLT first-attempt pass rate (20%)84%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)8%
- Parent education (fewer parents without a credential) (10%)3%
The Success Index (Canada) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Dr John M Denison Secondary School by the official sources.
- Enrolment
- 1,000
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 47%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 84%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 8%
- % of students living in low-income households.
- Parents without a credential
- 3%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 34%
- % of students whose first language is not English.
- Special education
- 26%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Dr John M Denison Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
Canadian Martyrs Catholic Elementary School
Newmarket · Catholic elementary · Grades JK-8
530 students · 589 m away
Maple Leaf Public School
Newmarket · Public elementary · Grades JK-8
405 students · 1.1 km away
Denne Public School
Newmarket · Public elementary · Grades JK-8
350 students · 1.2 km away
Poplar Bank Public School
Newmarket · Public elementary · Grades JK-8
605 students · 1.4 km away
Phoebe Gilman Public School
East Gwillimbury · Public elementary · Grades JK-8
700 students · 1.5 km away
J L R Bell Public School
Newmarket · Public elementary · Grades JK-5
135 students · 1.7 km away
Meadowbrook Public School
Newmarket · Public elementary · Grades JK-8
415 students · 2.1 km away
Alexander Muir Public School
Newmarket · Public elementary · Grades JK-8
540 students · 2.3 km away
Stuart Scott Public School
Newmarket · Public elementary · Grades JK-8
200 students · 2.5 km away
Huron Heights Secondary School
Newmarket · Public secondary · Grades 9-12
1,295 students · 2.5 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Mississauga Secondary School
Mississauga · Public secondary · Grades 9-12
1,000 students
Martingrove Collegiate Institute
Etobicoke · Public secondary · Grades 9-12
1,000 students
Richview Collegiate Institute
Etobicoke · Public secondary · Grades 9-12
1,000 students
École secondaire publique Louis-Riel
Gloucester · Public secondary · Grades 9-12
1,005 students
Erindale Secondary School
Mississauga · Public secondary · Grades 9-12
1,005 students
Korah Collegiate and Vocational School
Sault Ste Marie · Public secondary · Grades 9-12
990 students
Frequently asked questions
Is Dr John M Denison Secondary School a good school?
Dr John M Denison Secondary School has a Success Index (Canada) of 44.3 out of 100 (Lower 50% of secondary schools in Canada) and ranks #442 of 766 in Ontario. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Dr John M Denison Secondary School rank in Ontario?
Dr John M Denison Secondary School ranks #442 of 766 secondary schools in Ontario and #442 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Dr John M Denison Secondary School?
Dr John M Denison Secondary School had 1,000 students in 2025.
Is Dr John M Denison Secondary School a elementary school or a secondary school?
Dr John M Denison Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Dr John M Denison Secondary School?
There are 10 schools within 15 km of Dr John M Denison Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.