Great Lakes Secondary School
🇨🇦 Official data · 2025Sarnia, Ontario N7T1H1 · Lambton Kent DSB
#673 of 766 secondary schools in Ontario
#673 of 766 nationally
About Great Lakes Secondary School
Great Lakes Secondary School is a public secondary located in Sarnia, in the Lambton Kent DSB school board or district of Ontario, Canada. It caters for Grades 9-12. In 2025 it enrolled 1,095 students. Publicly funded schools run by public school boards or districts; free to attend.
Its Success Index (Canada) is 18.5 out of 100, placing it in the lower 50% of secondary schools in Canada and 673rd of 766 ranked secondary schools in Ontario. Its strongest component is parent education (fewer parents without a credential) (52th percentile), and its weakest is eqao grade 9 mathematics (9th percentile).
Other published figures: enrolment 1,095; first language not english 6%; special education 30%; identified as gifted 0%.
There are 31 schools in Sarnia; Great Lakes Secondary School ranks 19th of 25 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%)31%
- OSSLT first-attempt pass rate (20%)72%
- FSA literacy score (25%)–
- FSA numeracy score (25%)–
- Community advantage (fewer low-income households) (10%)13%
- 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 Great Lakes Secondary School by the official sources.
- Enrolment
- 1,095
- Students enrolled in the latest published year.
- EQAO Grade 9 maths
- 31%
- % at or above the provincial standard in Grade 9 mathematics.
- OSSLT pass rate
- 72%
- % passing the Grade 10 literacy test on the first attempt.
- Low-income households
- 13%
- % 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
- 6%
- % of students whose first language is not English.
- Special education
- 30%
- % of students receiving special education services.
- Identified as gifted
- 0%
- % of students identified as gifted.
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Schools near Great Lakes Secondary School
Closest schools by straight-line distance, with their Success Index (Canada).
P.E. McGibbon Public School
Sarnia · Public elementary · Grades JK-8
520 students · 745 m away
Hanna Memorial Public School
Sarnia · Public elementary · Grades JK-8
180 students · 1.2 km away
London Road School
Sarnia · Public elementary · Grades JK-8
180 students · 1.2 km away
St Matthew Catholic School
Sarnia · Catholic elementary · Grades JK-8
365 students · 1.6 km away
Queen Elizabeth II School
Sarnia · Public elementary · Grades JK-8
275 students · 2.3 km away
Holy Trinity Catholic School
Sarnia · Catholic elementary · Grades JK-8
350 students · 2.4 km away
Lansdowne Public School
Sarnia · Public elementary · Grades JK-8
325 students · 2.5 km away
High Park Public School
Sarnia · Public elementary · Grades JK-8
455 students · 2.9 km away
Bridgeview Public School
Point Edward · Public elementary · Grades JK-8
130 students · 3.2 km away
Rosedale Public School
Sarnia · Public elementary · Grades JK-8
470 students · 3.5 km away
Similar schools
Public secondary schools in Ontario with a comparable Enrolment.
Orangeville District Secondary School
Orangeville · Public secondary · Grades 9-12
1,095 students
Greater Fort Erie Secondary School
Fort Erie · Public secondary · Grades 9-12
1,090 students
Innisdale Secondary School
Barrie · Public secondary · Grades 9-12
1,090 students
East York Collegiate Institute
East York · Public secondary · Grades 9-12
1,090 students
Hodan Nalayeh Secondary School
Thornhill · Public secondary · Grades 9-12
1,090 students
Cawthra Park Secondary School
Mississauga · Public secondary · Grades 9-12
1,085 students
Frequently asked questions
Is Great Lakes Secondary School a good school?
Great Lakes Secondary School has a Success Index (Canada) of 18.5 out of 100 (Lower 50% of secondary schools in Canada) and ranks #673 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 Great Lakes Secondary School rank in Ontario?
Great Lakes Secondary School ranks #673 of 766 secondary schools in Ontario and #673 of 766 nationally on the Success Index (Canada) (2025 data).
How many students attend Great Lakes Secondary School?
Great Lakes Secondary School had 1,095 students in 2025.
Is Great Lakes Secondary School a elementary school or a secondary school?
Great Lakes Secondary School is classified as a secondary covering Grades 9-12. It is a public school.
What other schools are near Great Lakes Secondary School?
There are 10 schools within 15 km of Great Lakes Secondary School; they are listed on this page with their Success Index (Canada) and distance, and can be compared side by side.