St Joseph Secondary School
🇨🇦 Official data · 2025Mississauga, Ontario L5V2B9 · Dufferin-Peel CDSB
#113 of 766 secondary schools in Ontario
#113 of 766 nationally
About St Joseph Secondary School
St Joseph 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 1,185 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 75.8 out of 100, placing it in the top 25% of secondary schools in Canada and 113th of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (89th percentile), and its weakest is community advantage (fewer low-income households) (60th percentile).
Other published figures: enrolment 1,185; first language not english 21%; special education 15%; identified as gifted 2%.
There are 320 schools in Mississauga; St Joseph Secondary School ranks 29th 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%)76%
- OSSLT first-attempt pass rate (20%)91%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)8%
- 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 St Joseph Secondary School by the official sources.
- Enrolment
- 1,185
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 76%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 91%
- % 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
- 3%
- % 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
- 15%
- % of students receiving special education services.
- Identified as gifted
- 2%
- % of students identified as gifted.
Free academic assessment
Is your child on track for EQAO and beyond?
Success Tutoring offers personalised English and math tutoring from Kindergarten to Grade 12. Start with a free online assessment and a clear plan for the year ahead.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Schools near St Joseph Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
St Raymond Elementary School
Mississauga · Catholic elementary · Grades JK-8
285 students · 609 m away
Whitehorn Public School
Mississauga · Public elementary · Grades JK-6
455 students · 760 m away
Hazel McCallion Senior Public School
Mississauga · Public elementary · Grades 6-8
610 students · 791 m away
Willow Way Public School
Mississauga · Public elementary · Grades JK-6
225 students · 872 m away
Our Lady of Good Voyage Catholic School
Mississauga · Catholic elementary · Grades JK-8
125 students · 946 m away
St Herbert School
Mississauga · Catholic elementary · Grades JK-8
245 students · 1.2 km away
St Joseph Separate School
Mississauga · Catholic elementary · Grades JK-8
300 students · 1.2 km away
Fallingbrook Middle School
Mississauga · Public elementary · Grades JK-8
410 students · 1.3 km away
Rick Hansen Secondary School
Mississauga · Public secondary · Grades 9-12
1,415 students · 1.3 km away
Sherwood Mills Public School
Mississauga · Public elementary · Grades JK-6
470 students · 1.4 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
Saint Michael Catholic High School
Niagara Falls · Catholic secondary · Grades 9-12
1,190 students
Cardinal Leger Secondary School
Brampton · Catholic secondary · Grades 9-12
1,175 students
Monsignor Paul Dwyer Catholic High School
Oshawa · Catholic secondary · Grades 9-12
1,200 students
Father Michael McGivney Catholic High School
Markham · Catholic secondary · Grades 9-12
1,170 students
Our Lady Queen of the World CA High School
Richmond Hill · Catholic secondary · Grades 9-12
1,200 students
Holy Names Catholic High School
Windsor · Catholic secondary · Grades 9-12
1,165 students
Frequently asked questions
Is St Joseph Secondary School a good school?
St Joseph Secondary School has a Success Index (Canada) of 75.8 out of 100 (Top 25% of secondary schools in Canada) and ranks #113 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 St Joseph Secondary School rank in Ontario?
St Joseph Secondary School ranks #113 of 766 secondary schools in Ontario and #113 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St Joseph Secondary School?
St Joseph Secondary School had 1,185 students in 2025.
Is St Joseph Secondary School a elementary school or a secondary school?
St Joseph Secondary School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near St Joseph Secondary School?
There are 10 schools within 15 km of St Joseph Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.