St Martin Secondary School
🇨🇦 Official data · 2025Mississauga, Ontario L5C1X2 · Dufferin-Peel CDSB
#332 of 766 secondary schools in Ontario
#332 of 766 nationally
About St Martin Secondary School
St Martin 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 1,090 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 54.5 out of 100, placing it in the top 50% of secondary schools in Canada and 332nd of 766 ranked secondary schools in Ontario. Its strongest component is eqao grade 9 mathematics (64th percentile), and its weakest is osslt first-attempt pass rate (44th percentile).
Other published figures: enrolment 1,090; first language not english 15%; special education 19%; identified as gifted 1%.
There are 320 schools in Mississauga; St Martin Secondary School ranks 101st 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%)61%
- OSSLT first-attempt pass rate (20%)84%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)9%
- 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 St Martin Secondary School by the official sources.
- Enrolment
- 1,090
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 61%
- % 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
- 9%
- % 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
- 15%
- % of students whose first language is not English.
- Special education
- 19%
- % of students receiving special education services.
- Identified as gifted
- 1%
- % of students identified as gifted.
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Schools near St Martin Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
Hawthorn Public School
Mississauga · Public elementary · Grades JK-8
200 students · 134 m away
St Jerome Separate School
Mississauga · Catholic elementary · Grades JK-8
215 students · 516 m away
The Woodlands
Mississauga · Public elementary · Grades 6-8
200 students · 1.1 km away
McBride Avenue Public School
Mississauga · Public elementary · Grades JK-6
340 students · 1.2 km away
The Woodlands Secondary School
Mississauga · Public secondary · Grades 9-12
1,160 students · 1.2 km away
St. John XXIII Catholic Elementary School
Mississauga · Catholic elementary · Grades JK-8
195 students · 1.2 km away
Cashmere Avenue Public School
Mississauga · Public elementary · Grades JK-6
345 students · 1.2 km away
Mary Fix Catholic School
Mississauga · Catholic elementary · Grades JK-8
220 students · 1.5 km away
Springfield Public School
Mississauga · Public elementary · Grades JK-6
365 students · 1.5 km away
St Gerard Separate School
Mississauga · Catholic elementary · Grades JK-8
235 students · 1.7 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
Blessed Trinity Catholic Secondary School
Grimsby · Catholic secondary · Grades 9-12
1,085 students
St. Michael's Adult High School
Windsor · Catholic alternative · Grades 9-12
1,095 students
St David Catholic Secondary School
Waterloo · Catholic secondary · Grades 9-12
1,080 students
St James Catholic School
Guelph · Catholic secondary · Grades 9-12
1,080 students
St. Mother Teresa High School
Nepean · Catholic secondary · Grades 9-12
1,105 students
Assumption Catholic Secondary School
Burlington · Catholic secondary · Grades 9-12
1,070 students
Frequently asked questions
Is St Martin Secondary School a good school?
St Martin Secondary School has a Success Index (Canada) of 54.5 out of 100 (Top 50% of secondary schools in Canada) and ranks #332 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 Martin Secondary School rank in Ontario?
St Martin Secondary School ranks #332 of 766 secondary schools in Ontario and #332 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St Martin Secondary School?
St Martin Secondary School had 1,090 students in 2025.
Is St Martin Secondary School a elementary school or a secondary school?
St Martin Secondary School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near St Martin Secondary School?
There are 10 schools within 15 km of St Martin Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.