Leaside High School
🇨🇦 Official data · 2025East York, Ontario M4G3N8 · Toronto DSB
#58 of 766 secondary schools in Ontario
#58 of 766 nationally
About Leaside High School
Leaside High School is a public secondary located in East York, in the Toronto DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,115 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 82.3 out of 100, placing it in the top 10% of secondary schools in Canada and 58th of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (92th percentile), and its weakest is parent education (fewer parents without a credential) (61th percentile).
Other published figures: enrolment 1,115; first language not english 22%; special education 16%; identified as gifted 2%.
There are 25 schools in East York; Leaside High School ranks 3rd of 23 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%)79%
- OSSLT first-attempt pass rate (20%)95%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)7%
- 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 Leaside High School by the official sources.
- Enrolment
- 1,115
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 79%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 95%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 7%
- % 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
- 22%
- % of students whose first language is not English.
- Special education
- 16%
- % of students receiving special education services.
- Identified as gifted
- 2%
- % of students identified as gifted.
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Schools near Leaside High School
Closest schools by straight-line distance, with their Success Index (Canada).
Northlea Elementary and Middle School
East York · Public elementary · Grades JK-8
745 students · 464 m away
Bessborough Drive Elementary and Middle School
East York · Public elementary · Grades JK-8
450 students · 485 m away
St Anselm Catholic School
Toronto · Catholic elementary · Grades JK-8
255 students · 645 m away
Maurice Cody Junior Public School
Toronto · Public elementary · Grades JK-5
550 students · 801 m away
Bloorview School Authority
Toronto · Public elementary · Grades JK-8
65 students · 861 m away
Rolph Road Elementary School
East York · Public elementary · Grades JK-6
320 students · 1.4 km away
Northern Secondary School
Toronto · Public secondary · Grades 9-12
2,075 students · 1.4 km away
Eglinton Junior Public School
Toronto · Public elementary · Grades JK-5
500 students · 1.4 km away
Hodgson Middle School
Toronto · Public elementary · Grades 6-8
580 students · 1.5 km away
Sunny View Junior and Senior Public School
Toronto · Public elementary · Grades JK-8
90 students · 1.5 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Clarke Road Secondary School
London · Public secondary · Grades 9-12
1,115 students
Bluevale Collegiate Institute
Waterloo · Public secondary · Grades 9-12
1,115 students
Henry Street High School
Whitby · Public secondary · Grades 9-12
1,120 students
Cobourg Collegiate Institute
Cobourg · Public secondary · Grades 9-12
1,110 students
Kingston Secondary School
Kingston · Public secondary · Grades 9-12
1,110 students
Glenforest Secondary School
Mississauga · Public secondary · Grades 9-12
1,120 students
Frequently asked questions
Is Leaside High School a good school?
Leaside High School has a Success Index (Canada) of 82.3 out of 100 (Top 10% of secondary schools in Canada) and ranks #58 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 Leaside High School rank in Ontario?
Leaside High School ranks #58 of 766 secondary schools in Ontario and #58 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Leaside High School?
Leaside High School had 1,115 students in 2025.
Is Leaside High School a elementary school or a secondary school?
Leaside High School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Leaside High School?
There are 10 schools within 15 km of Leaside High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.