Best High Schools in Sudbury, Ontario

15 schools ranked by EQAO Grade 9 Math and Grade 10 OSSLT · EQAO Performance Index

15 schools · ← All Ontario Secondary Schools

Local school searchCompare 15 Sudbury high schools and secondary schools in one table.
City and Ontario rankUse local rank for nearby comparisons and Ontario rank for province-wide context.
Current leaderLo-Ellen Park Secondary School is the top-ranked school on this page.
Ontario RankBoard RankCity RankSchoolBoardTypeOverall Score2023‑242022‑232021‑223‑Year ChangeWebsite
4711Lo-Ellen Park Secondary SchoolRainbow DSBPublic8.68.68.17.3+1.3 ↑Visit
11022Lockerby Composite SchoolRainbow DSBPublic8.18.17.56.9+1.2 ↑Visit
25113St Benedict Catholic Secondary SchoolSudbury CDSBCatholic7.37.38.66.6+0.7 ↑Visit
27524Marymount Academy Catholic SchoolSudbury CDSBCatholic7.27.27.56.9+0.3 ↑Visit
38735St Charles CollegeSudbury CDSBCatholic6.76.75.94.9+1.8 ↑Visit
45736Sudbury Secondary SchoolRainbow DSBPublic6.46.46.65.2+1.2 ↑Visit
48137École secondaire Macdonald-CartierCS public du Grand Nord de l'OntarioPublic6.36.35.95.9+0.4 ↑Visit
51938Collège Notre-DameCSDC du Nouvel-OntarioCatholic6.16.15.75.2+0.9 ↑Visit
62169Lasalle Secondary SchoolRainbow DSBPublic5.65.64.94.9+0.7 ↑Visit
675710École secondaire du Sacré-CoeurCSDC du Nouvel-OntarioCatholic5.05.05.35.6-0.6 ↓Visit
7761011Carrefour Options +CSDC du Nouvel-OntarioCatholic—————Visit
8251012N'Swakamok Anishinawbek Kinomaadwin GamigRainbow DSBPublic——————
8381113Adult Day SchoolRainbow DSBPublic—————Visit
8841214Barrydowne College SeniorRainbow DSBPublic—————Visit
909715École Cap sur l'AvenirCS public du Grand Nord de l'OntarioPublic—————Visit

Ranking Method

Sudbury secondary schools are ranked with the School-Ranking.com EQAO Performance Index. The index uses official EQAO Grade 9 math and Grade 10 OSSLT results, shows the latest available score, and keeps recent-year scores and three-year change visible so readers can compare both performance and trend.

Frequently Asked Questions

What is the top-ranked secondary school in Sudbury, Ontario?

Lo-Ellen Park Secondary School is currently the top-ranked secondary school in Sudbury on this page, based on the latest available EQAO Performance Index with an overall score of 8.6.

How are Sudbury secondary schools ranked?

Sudbury schools are ordered by Ontario rank and local city rank using official EQAO Grade 9 math and Grade 10 OSSLT results and the site EQAO Performance Index.

Can I compare public, Catholic, and French-language schools in Sudbury?

Yes. The table includes the school board and school type where available, so local families can compare public, Catholic, French-language, and other public-system options together.

Does the city rank replace the Ontario rank?

No. City rank shows how a school compares locally, while Ontario rank shows its position across the full provincial dataset.