Sir William Osler High School
🇨🇦 Official data · 2025Toronto, Ontario M1S3H5 · Toronto DSB
#615 of 766 secondary schools in Ontario
#615 of 766 nationally
About Sir William Osler High School
Sir William Osler High School is a public secondary located in Toronto, in the Toronto DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 120 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 27.0 out of 100, placing it in the lower 50% of secondary schools in Canada and 615th of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (41th percentile), and its weakest is parent education (fewer parents without a credential) (13th percentile).
Other published figures: enrolment 120; first language not english 50%; special education 100%; identified as gifted 0%.
There are 661 schools in Toronto; Sir William Osler High School ranks 311th of 406 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%)–
- OSSLT first-attempt pass rate (20%)–
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)10%
- Parent education (fewer parents without a credential) (10%)10%
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 Sir William Osler High School by the official sources.
- Enrolment
- 120
- Students enrolled in the latest published year.
- Low-income households
- 10%
- % of students living in low-income households.
- Parents without a credential
- 10%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 50%
- % of students whose first language is not English.
- Special education
- 100%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Sir William Osler High School
Closest schools by straight-line distance, with their Success Index (Canada).
Lynnwood Heights Junior Public School
Toronto · Public elementary · Grades JK-6
140 students · 331 m away
Msgr Fraser-Midland
Toronto · Catholic secondary · Grades 9-12
270 students · 420 m away
Chartland Junior Public School
Scarborough · Public elementary · Grades JK-6
170 students · 740 m away
Delphi Secondary Alternative School
Scarborough · Public secondary · Grades 9-12
60 students · 804 m away
Henry Kelsey Senior Public School
Scarborough · Public elementary · Grades 7-8
435 students · 841 m away
North Agincourt Junior Public School
Scarborough · Public elementary · Grades JK-6
330 students · 915 m away
Highland Heights Junior Public School
Scarborough · Public elementary · Grades JK-6
150 students · 1.1 km away
Agincourt Junior Public School
Toronto · Public elementary · Grades JK-6
175 students · 1.2 km away
St Marguerite Bourgeoys Catholic Catholic School
Toronto · Catholic elementary · Grades JK-8
95 students · 1.2 km away
Agincourt Collegiate Institute
Agincourt · Public secondary · Grades 9-12
1,460 students · 1.2 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
École secondaire Franco-Niagara
Welland · Public secondary · Grades 9-12
120 students
Ridgetown District High School
Ridgetown · Public secondary · Grades 9-12
120 students
Eastdale Collegiate Institute
Toronto · Public secondary · Grades 9-12
120 students
Day School -Wellington Centre - ContEd
Guelph · Public secondary · Grades 11-12
120 students
École secondaire Hanmer
Hanmer · Public secondary · Grades 9-12
115 students
Centre for Individual Studies Northumberland
Cobourg · Public alternative · Grades 9-12
115 students
Frequently asked questions
Is Sir William Osler High School a good school?
Sir William Osler High School has a Success Index (Canada) of 27.0 out of 100 (Lower 50% of secondary schools in Canada) and ranks #615 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 Sir William Osler High School rank in Ontario?
Sir William Osler High School ranks #615 of 766 secondary schools in Ontario and #615 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Sir William Osler High School?
Sir William Osler High School had 120 students in 2025.
Is Sir William Osler High School a elementary school or a secondary school?
Sir William Osler High School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Sir William Osler High School?
There are 10 schools within 15 km of Sir William Osler High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.