Stephen Lewis Secondary School
🇨🇦 Official data · 2025Thornhill, Ontario L4J8X2 · York Region DSB
#29 of 766 secondary schools in Ontario
#29 of 766 nationally
About Stephen Lewis Secondary School
Stephen Lewis Secondary School is a public secondary located in Thornhill, in the York Region DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,730 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 86.2 out of 100, placing it in the top 5% of secondary schools in Canada and 29th of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (95th percentile), and its weakest is osslt first-attempt pass rate (79th percentile).
Other published figures: enrolment 1,730; first language not english 48%; special education 26%; identified as gifted 1%.
There are 63 schools in Thornhill; Stephen Lewis Secondary School ranks 5th of 34 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%)81%
- OSSLT first-attempt pass rate (20%)92%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)5%
- Parent education (fewer parents without a credential) (10%)1%
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 Stephen Lewis Secondary School by the official sources.
- Enrolment
- 1,730
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 81%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 92%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 5%
- % of students living in low-income households.
- Parents without a credential
- 1%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 48%
- % of students whose first language is not English.
- Special education
- 26%
- % of students receiving special education services.
- Identified as gifted
- 1%
- % of students identified as gifted.
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Schools near Stephen Lewis Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
Carrville Mills Public School
Thornhill · Public elementary · Grades JK-8
520 students · 557 m away
Thornhill Woods Public School
Thornhill · Public elementary · Grades JK-8
310 students · 638 m away
Forest Run Public School
Woodbridge · Public elementary · Grades JK-8
410 students · 866 m away
Bakersfield Public School
Thornhill · Public elementary · Grades JK-8
385 students · 1.0 km away
St Cecilia Catholic Elementary School
Maple · Catholic elementary · Grades JK-8
465 students · 2.1 km away
Nellie McClung Public School
Vaughan · Public elementary · Grades JK-8
425 students · 2.1 km away
Dr Roberta Bondar Public School
Maple · Public elementary · Grades JK-8
725 students · 2.2 km away
Ventura Park Public School
Thornhill · Public elementary · Grades 1-8
535 students · 2.3 km away
Wilshire Elementary School
Thornhill · Public elementary · Grades JK-8
450 students · 2.6 km away
ÉIC Renaissance
Maple · Catholic elementary · Grades 7-8
185 students · 2.6 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Guelph Collegiate and Vocational Institute
Guelph · Public secondary · Grades 9-12
1,735 students
Earl of March Secondary School
Kanata · Public secondary · Grades 9-12
1,715 students
Harold M. Brathwaite Secondary School
Brampton · Public secondary · Grades 9-12
1,745 students
John Fraser Secondary School
Mississauga · Public secondary · Grades 9-12
1,715 students
Vincent Massey Secondary School
Windsor · Public secondary · Grades 9-12
1,750 students
Marc Garneau Collegiate Institute
Toronto · Public secondary · Grades 9-12
1,755 students
Frequently asked questions
Is Stephen Lewis Secondary School a good school?
Stephen Lewis Secondary School has a Success Index (Canada) of 86.2 out of 100 (Top 5% of secondary schools in Canada) and ranks #29 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 Stephen Lewis Secondary School rank in Ontario?
Stephen Lewis Secondary School ranks #29 of 766 secondary schools in Ontario and #29 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Stephen Lewis Secondary School?
Stephen Lewis Secondary School had 1,730 students in 2025.
Is Stephen Lewis Secondary School a elementary school or a secondary school?
Stephen Lewis Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Stephen Lewis Secondary School?
There are 10 schools within 15 km of Stephen Lewis Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.