Clarkson Secondary School
🇨🇦 Official data · 2025Mississauga, Ontario L5J1L8 · Peel DSB
#439 of 766 secondary schools in Ontario
#439 of 766 nationally
About Clarkson Secondary School
Clarkson Secondary School is a public secondary located in Mississauga, in the Peel DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 740 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 44.7 out of 100, placing it in the lower 50% of secondary schools in Canada and 439th of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (60th percentile), and its weakest is eqao grade 9 mathematics (36th percentile).
Other published figures: enrolment 740; first language not english 33%; special education 15%; identified as gifted 0%.
There are 320 schools in Mississauga; Clarkson Secondary School ranks 136th of 206 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%)49%
- 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%)4%
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 Clarkson Secondary School by the official sources.
- Enrolment
- 740
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 49%
- % 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
- 4%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 33%
- % of students whose first language is not English.
- Special education
- 15%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Clarkson Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
St Helen Separate School
Mississauga · Catholic elementary · Grades JK-8
235 students · 457 m away
Hillside Public School Public School
Mississauga · Public elementary · Grades JK-8
605 students · 541 m away
James W. Hill Public School
Oakville · Public elementary · Grades JK-8
555 students · 1.3 km away
St Louis School
Mississauga · Catholic elementary · Grades JK-8
185 students · 1.3 km away
École élémentaire Horizon Jeunesse
Mississauga · Public elementary · Grades JK-6
245 students · 1.4 km away
St. Luke Catholic Elementary School
Oakville · Catholic elementary · Grades JK-8
170 students · 1.5 km away
Iona Secondary School
Mississauga · Catholic secondary · Grades 9-12
655 students · 1.8 km away
Clarkson Public School
Mississauga · Public elementary · Grades JK-6
130 students · 2.3 km away
Hillcrest Public School
Mississauga · Public elementary · Grades JK-8
295 students · 2.3 km away
St Christopher School
Mississauga · Catholic elementary · Grades JK-8
415 students · 2.5 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Tecumseh Vista Academy- Secondary
Tecumseh · Public secondary · Grades 9-12
740 students
Norwell District Secondary School
Palmerston · Public secondary · Grades 9-12
735 students
Saugeen District Secondary School
Port Elgin · Public secondary · Grades 9-12
730 students
Erie Migration District Secondary School
Kingsville · Public secondary · Grades 9-12
730 students
Loyalist Collegiate and Vocational Institute
Kingston · Public secondary · Grades 9-12
750 students
Grey Highlands Secondary School
Flesherton · Public secondary · Grades 9-12
725 students
Frequently asked questions
Is Clarkson Secondary School a good school?
Clarkson Secondary School has a Success Index (Canada) of 44.7 out of 100 (Lower 50% of secondary schools in Canada) and ranks #439 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 Clarkson Secondary School rank in Ontario?
Clarkson Secondary School ranks #439 of 766 secondary schools in Ontario and #439 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Clarkson Secondary School?
Clarkson Secondary School had 740 students in 2025.
Is Clarkson Secondary School a elementary school or a secondary school?
Clarkson Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Clarkson Secondary School?
There are 10 schools within 15 km of Clarkson Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.