St Thomas Aquinas Secondary School

Catholic · Secondary

1360 Oxford St W, London, ON, N6H1W2

+1 (519) 660-2798

London District Catholic School Board

Official website

Grades 9-121,425 studentsopen

School information

Grades served: 9-12
Enrollment: 1,425
School organization: London District Catholic School Board

Academic Performance

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

secondary

8.3 / 10

Grade 9 Mathematics: 64%
Grade 10 OSSLT, first attempt: 94%

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

1,425 students in 2024-2025 — up 17% since 2011-2012. Roll as reported by Ontario, not a projection.

11–121,215
12–131,119
13–141,037
14–15900
15–16794
16–17739
17–18764
18–19815
19–20920
20–21985
21–221,050
22–231,170
23–241,305
24–251,425

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.