Marathon High School
🇨🇦 Official data · 2025Marathon, Ontario P0T2E0 · Superior-Greenstone DSB
#687 of 766 secondary schools in Ontario
#687 of 766 nationally
About Marathon High School
Marathon High School is a public secondary located in Marathon, in the Superior-Greenstone DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 185 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 17.0 out of 100, placing it in the lower 50% of secondary schools in Canada and 687th of 766 ranked secondary schools in Ontario. Its strongest component is community advantage (fewer low-income households) (84th percentile), and its weakest is osslt first-attempt pass rate (1th percentile).
Other published figures: enrolment 185; first language not english 5%; special education 20%; identified as gifted 0%.
There are 6 schools in Marathon; Marathon High School ranks 3rd of 3 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%)24%
- OSSLT first-attempt pass rate (20%)46%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)5%
- Parent education (fewer parents without a credential) (10%)10%
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 Marathon High School by the official sources.
- Enrolment
- 185
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 24%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 46%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 5%
- % of students living in low-income households.
- Parents without a credential
- 10%
- % of students whose parents have no degree, diploma or certificate.
- First language not English
- 5%
- % of students whose first language is not English.
- Special education
- 20%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Marathon High School
Closest schools by straight-line distance, with their Success Index (Canada).
École secondaire Cité-Supérieure
Marathon · Public secondary · Grades 9-12
· 0 m away
École publique Cité-Supérieure
Marathon · Public elementary · Grades 7-8
· 127 m away
École catholique Val-des-Bois
Marathon · Catholic elementary · Grades JK-8
· 531 m away
Holy Saviour
Marathon · Catholic elementary · Grades JK-8
120 students · 599 m away
Margaret Twomey Public School
Marathon · Public elementary · Grades JK-8
150 students · 1.3 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
École secondaire publique Maurice-Lapointe
Kanata · Public secondary · Grades 9-12
185 students
Northern Lights Secondary School
Moosonee · Public secondary · Grades 9-12
185 students
Nipigon Red Rock District High School
Red Rock · Public secondary · Grades 9-12
185 students
Iroquois Falls Secondary School
Iroquois Falls · Public secondary · Grades 9-12
180 students
Peel Alternative South
Mississauga · Public alternative · Grades 9-12
190 students
Emery EdVance Secondary School
Toronto · Public secondary · Grades 9-12
190 students
Frequently asked questions
Is Marathon High School a good school?
Marathon High School has a Success Index (Canada) of 17.0 out of 100 (Lower 50% of secondary schools in Canada) and ranks #687 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 Marathon High School rank in Ontario?
Marathon High School ranks #687 of 766 secondary schools in Ontario and #687 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Marathon High School?
Marathon High School had 185 students in 2025.
Is Marathon High School a elementary school or a secondary school?
Marathon High School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Marathon High School?
There are 5 schools within 15 km of Marathon High School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.