Ascension of Our Lord Secondary School
🇨🇦 Official data · 2025Mississauga, Ontario L4T3H7 · Dufferin-Peel CDSB
#693 of 766 secondary schools in Ontario
#693 of 766 nationally
About Ascension of Our Lord Secondary School
Ascension of Our Lord Secondary School is a catholic secondary located in Mississauga, in the Dufferin-Peel CDSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 655 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 16.3 out of 100, placing it in the lower 50% of secondary schools in Canada and 693rd of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (23th percentile), and its weakest is osslt first-attempt pass rate (10th percentile).
Other published figures: enrolment 655; first language not english 21%; special education 16%; identified as gifted 0%.
There are 320 schools in Mississauga; Ascension of Our Lord Secondary School ranks 198th 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%)40%
- OSSLT first-attempt pass rate (20%)69%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)12%
- Parent education (fewer parents without a credential) (10%)9%
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 Ascension of Our Lord Secondary School by the official sources.
- Enrolment
- 655
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 40%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 69%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 12%
- % of students living in low-income households.
- Parents without a credential
- 9%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 21%
- % of students whose first language is not English.
- Special education
- 16%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Ascension of Our Lord Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
St Raphael School
Mississauga · Catholic elementary · Grades JK-8
225 students · 687 m away
Lancaster Public School
Mississauga · Public elementary · Grades JK-6
235 students · 785 m away
Marvin Heights Public School
Mississauga · Public elementary · Grades JK-6
305 students · 904 m away
Lincoln M. Alexander Secondary School
Mississauga · Public secondary · Grades 9-12
835 students · 1.1 km away
Morning Star Middle School
Mississauga · Public elementary · Grades 6-8
455 students · 1.1 km away
Ridgewood Public School
Mississauga · Public elementary · Grades JK-6
460 students · 1.4 km away
Holy Cross School
Mississauga · Catholic elementary · Grades JK-8
365 students · 1.4 km away
Brandon Gate Public School
Mississauga · Public elementary · Grades JK-6
285 students · 1.4 km away
Corliss Public School
Mississauga · Public elementary · Grades JK-6
195 students · 1.5 km away
Darcel Avenue Senior Public School
Mississauga · Public elementary · Grades 6-8
410 students · 1.6 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
Iona Secondary School
Mississauga · Catholic secondary · Grades 9-12
655 students
Holy Cross Catholic Secondary School
St Catharines · Catholic secondary · Grades 9-12
655 students
Dante Alighieri Academy
Etobicoke · Catholic secondary · Grades 9-12
655 students
École secondaire catholique L'Escale
Rockland · Catholic secondary · Grades 9-12
645 students
St Benedict Catholic Secondary School
Sudbury · Catholic secondary · Grades 9-12
645 students
Brebeuf College School
Toronto · Catholic secondary · Grades 9-12
645 students
Frequently asked questions
Is Ascension of Our Lord Secondary School a good school?
Ascension of Our Lord Secondary School has a Success Index (Canada) of 16.3 out of 100 (Lower 50% of secondary schools in Canada) and ranks #693 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 Ascension of Our Lord Secondary School rank in Ontario?
Ascension of Our Lord Secondary School ranks #693 of 766 secondary schools in Ontario and #693 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Ascension of Our Lord Secondary School?
Ascension of Our Lord Secondary School had 655 students in 2025.
Is Ascension of Our Lord Secondary School a elementary school or a secondary school?
Ascension of Our Lord Secondary School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near Ascension of Our Lord Secondary School?
There are 10 schools within 15 km of Ascension of Our Lord Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.