Best High Schools in Cornwall, Ontario

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

7 schools · ← All Ontario Secondary Schools

Local school searchCompare 7 Cornwall 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 leaderT R Leger School of Adult & Continuing Secondary School is the top-ranked school on this page.
Ontario RankBoard RankCity RankSchoolBoardTypeOverall Score2023‑242022‑232021‑223‑Year ChangeWebsite
36161T R Leger School of Adult & Continuing Secondary SchoolUpper Canada DSBPublic6.9—6.94.3+2.6 ↑Visit
41562St Joseph's Secondary SchoolCDSB of Eastern OntarioCatholic6.66.65.95.5+1.1 ↑Visit
441123École secondaire publique L'HéritageCÉP de l'Est de l'OntarioPublic6.56.57.18.3-1.8 ↓Visit
53474École secondaire catholique La CitadelleCSDC de l'Est ontarienCatholic6.06.06.96.4-0.4 ↓Visit
738215Cornwall Collegiate and Vocational SchoolUpper Canada DSBPublic4.14.14.04.5-0.4 ↓Visit
751226St Lawrence Secondary SchoolUpper Canada DSBPublic3.73.73.93.4+0.3 ↑Visit
769107St Matthew Catholic Secondary SchoolCDSB of Eastern OntarioCatholic1.61.62.32.1-0.5 ↓Visit

Ranking Method

Cornwall 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 Cornwall, Ontario?

T R Leger School of Adult & Continuing Secondary School is currently the top-ranked secondary school in Cornwall on this page, based on the latest available EQAO Performance Index with an overall score of 6.9.

How are Cornwall secondary schools ranked?

Cornwall 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 Cornwall?

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.