St Mark High School
🇨🇦 Official data · 2025Manotick, Ontario K4M1B2 · Ottawa CSB
#146 of 766 secondary schools in Ontario
#146 of 766 nationally
About St Mark High School
St Mark High School is a catholic secondary located in Manotick, in the Ottawa CSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 820 students. Publicly funded Catholic (separate) school boards in Ontario; free to attend.
Its Success Index (Canada) is 72.5 out of 100, placing it in the top 25% of secondary schools in Canada and 146th of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (95th percentile), and its weakest is osslt first-attempt pass rate (56th percentile).
Other published figures: enrolment 820; first language not english 7%; special education 27%; identified as gifted 0%.
There are 5 schools in Manotick; St Mark High School ranks 4th of 4 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%)66%
- OSSLT first-attempt pass rate (20%)87%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)3%
- Parent education (fewer parents without a credential) (10%)1%
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 Mark High School by the official sources.
- Enrolment
- 820
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 66%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 87%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 3%
- % of students living in low-income households.
- Parents without a credential
- 1%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 7%
- % of students whose first language is not English.
- Special education
- 27%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % 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 Mark High School
Closest schools by straight-line distance, with their Success Index (Canada).
St Mark Intermediate School
Manotick · Catholic elementary · Grades 7-8
430 students · 73 m away
Manotick Public School
Manotick · Public elementary · Grades JK-5
240 students · 3.2 km away
St Leonard Elementary School
Manotick · Catholic elementary · Grades JK-6
660 students · 3.5 km away
St. Gianna Catholic Elementary School
Gloucester · Catholic elementary · Grades JK-6
470 students · 3.8 km away
École élémentaire catholique Jonathan-Pitre
Gloucester · Catholic elementary · Grades JK-6
365 students · 3.9 km away
Riverside South Intermediate School
Ottawa · Public elementary · Grades 7-8
· 4.3 km away
Riverside South Secondary School
Ottawa · Public secondary · Grades 9-12
· 4.3 km away
École élémentaire publique Michel-Dupuis
Ottawa · Public elementary · Grades JK-8
430 students · 4.3 km away
St Jerome Elementary School
Gloucester · Catholic elementary · Grades JK-6
530 students · 4.8 km away
Steve MacLean Public School
Gloucester · Public elementary · Grades JK-6
705 students · 5.1 km away
Similar schools
Catholic secondary schools in Ontario with a comparable Enrolment.
Regiopolis/Notre-Dame Catholic High School
Kingston · Catholic secondary · Grades 9-12
825 students
École secondaire catholique Mer Bleue
Orléans · Catholic secondary · Grades 9-12
825 students
Francis Libermann Catholic High School
Toronto · Catholic secondary · Grades 9-12
815 students
St Oscar Romero Catholic Secondary School
Toronto · Catholic secondary · Grades 9-12
825 students
John Cabot Catholic Secondary School
Mississauga · Catholic secondary · Grades 9-12
835 students
St. Mary Catholic Secondary School
Cobourg · Catholic secondary · Grades 9-12
835 students
Frequently asked questions
Is St Mark High School a good school?
St Mark High School has a Success Index (Canada) of 72.5 out of 100 (Top 25% of secondary schools in Canada) and ranks #146 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 Mark High School rank in Ontario?
St Mark High School ranks #146 of 766 secondary schools in Ontario and #146 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend St Mark High School?
St Mark High School had 820 students in 2025.
Is St Mark High School a elementary school or a secondary school?
St Mark High School is classified as a secondary covering Grades 9-12. It is a catholic school.
What other schools are near St Mark High School?
There are 10 schools within 15 km of St Mark High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.