Public School

Great Lakes Secondary School

Sarnia, ON · Lambton Kent DSB · Grades 9-12

Data from official ON records · Last updated July 11, 2026

9-12 Grades
Public Type
1,095 Enrollment
Sarnia City
Lambton Kent DSB Board
519-336-6131 Phone
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Contact & School Information

Address
275 Wellington Street, N7T1H1
Grades
9-12
Enrollment
1,095 students
Phone
519-336-6131
Website
http://glss.lkdsb.net
School Board
Lambton Kent DSB

Location

Neighbourhood Income

Statistics Canada 2021 Census · FSA level
Average After Tax Income
$38,440
Average Total Income
$44,200
Median After Tax Income
$32,400
Median Total Income
$34,800

Based on the forward sortation area (first three characters of the postal code) for this school's address.

Academic Results

EQAO data

This page includes the EQAO results for Great Lakes Secondary School from 2024-2025 covering Mathematics in Grade 9. See the source data at EQAO. Expand a year and subject below to see the detailed scores.

Detailed results

2024-2025 · Grade 9 Math · Mathematics · Grade 9
% meeting or exceeding the standard
31.0%

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