Port Colborne High School

Public · Secondary

211 Elgin St, Port Colborne, ON, L3K3K4

+1 (905) 835-1186

District School Board of Niagara

Official website

Grades 9-12420 studentsopen

School information

Grades served: 9-12
Enrollment: 420
School organization: District School Board of Niagara

Academic Performance

Scores compare similar schools only within Ontario, never across Canada.

secondary

8.3 / 10

Grade 9 Mathematics: 62%
Grade 10 OSSLT, first attempt: 95%

How Ontario assesses schools

EQAO, run by Education Quality and Accountability Office.

Ontario publishes provincial assessment results for individual schools.

Grades tested: 3, 6, 9, 10
Subjects: Reading, Writing, Mathematics, Literacy
Most recent year: 2024-2025

Results for this school

Secondary

Results published

A school without a score is not a school with a low score. Scores are only ever compared within Ontario and within the same stage — never between provinces, which use different tests.

Education Quality and Accountability Office

Enrolment over time

420 students in 2024-2025 — down 21% since 2011-2012. Roll as reported by Ontario, not a projection.

11–12533
12–13509
13–14498
14–15472
15–16457
16–17451
17–18433
18–19410
19–20390
20–21405
21–22410
22–23415
23–24425
24–25420

Some years are published as rounded or banded counts.

Programmes

Programmes Ontario lists for this school in 2025-2026. Only programmes the province publishes a register for can appear here, so this is not a full list of everything the school offers — and an absent programme does not mean it is not taught.