Denis Morris Catholic High School
🇨🇦 Official data · 2025St Catharines, Ontario L2T2M9 · Niagara CDSB
#381 of 766 secondary schools in Ontario
#381 of 766 nationally
About Denis Morris Catholic High School
Denis Morris Catholic High School is a catholic secondary school located in St Catharines, in the Niagara CDSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 930 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 50.8 out of 100, placing it in the top 50% of secondary schools in Canada and 381st of 766 ranked secondary schools in Ontario. Its strongest component is osslt first-attempt pass rate (79th percentile), and its weakest is community advantage (fewer low-income households) (23th percentile).
Other published figures: enrolment 930; first language not english 24%; special education 22%; identified as gifted 0%.
There are 62 schools in St Catharines; Denis Morris Catholic High School ranks 43rd of 50 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%)50%
- OSSLT first-attempt pass rate (20%)92%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)12%
- 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 Denis Morris Catholic High School by the official sources.
- Enrolment
- 930
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 50%
- % 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
- 12%
- % 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
- 24%
- % of students whose first language is not English.
- Special education
- 22%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Denis Morris Catholic High School
Closest schools by straight-line distance, with their Success Index (Canada).
Briardale Public School
St Catharines · Public elementary · Grades JK-8
· 483 m away
Sir Winston Churchill Secondary School
St Catharines · Public secondary · Grades 9-12
1,025 students · 507 m away
Oakridge Public School
St Catharines · Public elementary · Grades JK-8
485 students · 584 m away
Edith Cavell Public School
St Catharines · Public elementary · Grades JK-8
225 students · 1.4 km away
St Peter Catholic Elementary School
St Catharines · Catholic elementary · Grades JK-8
250 students · 1.4 km away
ÉÉC Sainte-Marguerite-Bourgeoys-St.Cath
St Catharines · Catholic elementary · Grades JK-8
115 students · 1.6 km away
St Anthony Catholic Elementary School
St Catharines · Catholic elementary · Grades JK-8
380 students · 1.6 km away
Burleigh Hill Public School
St Catharines · Public elementary · Grades JK-8
195 students · 1.6 km away
DSBN Academy
St. Catharines · Public elementary · Grades 6-8
230 students · 1.7 km away
DSBN Academy
St. Catharines · Public secondary · Grades 9-12
225 students · 1.7 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
St Joseph's Separate School
Barrie · Catholic secondary · Grades 9-12
930 students
St. Mary Catholic Secondary School
Hamilton · Catholic secondary · Grades 9-12
935 students
St Augustine Secondary School
Brampton · Catholic secondary · Grades 9-12
940 students
St Mary's College Separate School
Sault Ste Marie · Catholic secondary · Grades 9-12
940 students
John Paul II Catholic Secondary School
London · Catholic secondary · Grades 9-12
940 students
St John Henry Newman Catholic High School
Scarborough · Catholic secondary · Grades 9-12
915 students
Frequently asked questions
Is Denis Morris Catholic High School a good school?
Denis Morris Catholic High School has a Success Index (Canada) of 50.8 out of 100 (Top 50% of secondary schools in Canada) and ranks #381 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 Denis Morris Catholic High School rank in Ontario?
Denis Morris Catholic High School ranks #381 of 766 secondary schools in Ontario and #381 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Denis Morris Catholic High School?
Denis Morris Catholic High School had 930 students in 2025.
Is Denis Morris Catholic High School a elementary school or a secondary school?
Denis Morris Catholic High School is classified as a secondary school covering Grades 9-12. It is a catholic school.
What other schools are near Denis Morris Catholic High School?
There are 10 schools within 15 km of Denis Morris Catholic High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.