Best secondary schools in London (2025)

Secondary (high) schools and combined schools. Ranked by the Success Index (Canada) from official Canadian data; 19 schools in London, Ontario. Rank positions shown on each profile are within Canada and Ontario.

1
80
École secondaire Gabriel-DumontLondon · Public Secondary94% OSSLT pass rate · 300 students
2
76
St Thomas Aquinas Secondary SchoolLondon · Catholic Secondary94% OSSLT pass rate · 1,425 students
3
67
A B Lucas Secondary SchoolLondon · Public Secondary85% OSSLT pass rate · 1,495 students
4
66
London Central Secondary SchoolLondon · Public Secondary91% OSSLT pass rate · 955 students
5
63
St. Andre Bessette Secondary SchoolLondon · Catholic Secondary90% OSSLT pass rate · 1,465 students
6
62
Oakridge Secondary SchoolLondon · Public Secondary90% OSSLT pass rate · 1,045 students
7
56
Mother Teresa Catholic Secondary SchoolLondon · Catholic Secondary90% OSSLT pass rate · 1,795 students
8
55
École secondaire catholique Monseigneur-BruyèreLondon · Catholic Secondary93% OSSLT pass rate · 245 students
9
46
Catholic Central High SchoolLondon · Catholic Secondary89% OSSLT pass rate · 1,310 students
10
36
Sir Frederick Banting Secondary SchoolLondon · Public Secondary78% OSSLT pass rate · 1,590 students
11
33
H B Beal Secondary SchoolLondon · Public Secondary79% OSSLT pass rate · 1,525 students
12
29
Sir Wilfrid Laurier Secondary SchoolLondon · Public Secondary79% OSSLT pass rate · 1,145 students
13
26
London South Collegiate InstituteLondon · Public Secondary73% OSSLT pass rate · 880 students
14
25
Saunders Secondary SchoolLondon · Public Secondary70% OSSLT pass rate · 2,010 students
15
17
John Paul II Catholic Secondary SchoolLondon · Catholic Secondary71% OSSLT pass rate · 940 students
16
17
Clarke Road Secondary SchoolLondon · Public Secondary61% OSSLT pass rate · 1,115 students
17
16
Regina Mundi CollegeLondon · Catholic Secondary74% OSSLT pass rate · 860 students
18
12
Westminster Secondary SchoolLondon · Public Secondary75% OSSLT pass rate · 980 students
19
7
Montcalm Secondary SchoolLondon · Public Secondary65% OSSLT pass rate · 890 students

#	School	Sector	Success Index (Canada)	Key result	Students
1	École secondaire Gabriel-Dumont London · Secondary · Grades 9-12	Public	80.0 Top 10%	94% OSSLT pass rate	300
2	St Thomas Aquinas Secondary School London · Secondary · Grades 9-12	Catholic	75.5 Top 25%	94% OSSLT pass rate	1,425
3	A B Lucas Secondary School London · Secondary · Grades 9-12	Public	66.6 Top 50%	85% OSSLT pass rate	1,495
4	London Central Secondary School London · Secondary · Grades 9-12	Public	65.7 Top 50%	91% OSSLT pass rate	955
5	St. Andre Bessette Secondary School London · Secondary · Grades 9-12	Catholic	63.4 Top 50%	90% OSSLT pass rate	1,465
6	Oakridge Secondary School London · Secondary · Grades 9-12	Public	61.8 Top 50%	90% OSSLT pass rate	1,045
7	Mother Teresa Catholic Secondary School London · Secondary · Grades 9-12	Catholic	55.7 Top 50%	90% OSSLT pass rate	1,795
8	École secondaire catholique Monseigneur-Bruyère London · Secondary · Grades 9-12	Catholic	55.1 Top 50%	93% OSSLT pass rate	245
9	Catholic Central High School London · Secondary · Grades 9-12	Catholic	45.9 Lower 50%	89% OSSLT pass rate	1,310
10	Sir Frederick Banting Secondary School London · Secondary · Grades 9-12	Public	36.0 Lower 50%	78% OSSLT pass rate	1,590
11	H B Beal Secondary School London · Secondary · Grades 9-12	Public	33.3 Lower 50%	79% OSSLT pass rate	1,525
12	Sir Wilfrid Laurier Secondary School London · Secondary · Grades 9-12	Public	29.2 Lower 50%	79% OSSLT pass rate	1,145
13	London South Collegiate Institute London · Secondary · Grades 9-12	Public	25.6 Lower 50%	73% OSSLT pass rate	880
14	Saunders Secondary School London · Secondary · Grades 9-12	Public	24.9 Lower 50%	70% OSSLT pass rate	2,010
15	John Paul II Catholic Secondary School London · Secondary · Grades 9-12	Catholic	17.4 Lower 50%	71% OSSLT pass rate	940
16	Clarke Road Secondary School London · Secondary · Grades 9-12	Public	16.5 Lower 50%	61% OSSLT pass rate	1,115
17	Regina Mundi College London · Secondary · Grades 9-12	Catholic	16.2 Lower 50%	74% OSSLT pass rate	860
18	Westminster Secondary School London · Secondary · Grades 9-12	Public	12.4 Lower 50%	75% OSSLT pass rate	980
19	Montcalm Secondary School London · Secondary · Grades 9-12	Public	7.0 Lower 50%	65% OSSLT pass rate	890

École secondaire Gabriel-Dumont in London leads the 2025 list of secondary schools in London with a Success Index (Canada) of 80.0. Of the 19 schools shown, 12 are public, 7 are catholic.

For the full picture see the wider Ontario secondary schools rankings, every school on the London page, or the comparison tool to put a shortlist side by side.

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Frequently asked questions

What is the best secondary school in London?

École secondaire Gabriel-Dumont in London, Ontario ranks first among secondary schools in London with a Success Index (Canada) of 80.0 out of 100 (Enrolment: 300).

How are secondary schools in London ranked?

Each school's Success Index (Canada) combines 8 factors: eqao grade 3 (reading, writing, maths) (20%), eqao grade 6 (reading, writing, maths) (25%), eqao grade 9 mathematics (25%), osslt first-attempt pass rate (20%), fsa literacy score (25%), fsa numeracy score (25%), community advantage (fewer low-income households) (10%), parent education (fewer parents without a credential) (10%). Each factor is a percentile against schools of the same type across Canada. Schools with fewer than 60 students are excluded from rankings.

Are these 2025 rankings official?

No. They are computed by Success Tutoring from official Canadian data (Ontario – School information and student demographics; BC Data Catalogue – Foundation Skills Assessment). Provinces publish different assessments, so scores are comparable within a province, not between provinces.