Cities / Sarnia
Best Schools in Sarnia
Sarnia has 25 publicly reported schools — 19 elementary and 6 secondary. Cathcart Boulevard PS is currently the top-ranked school in Sarnia with a score of 8.3 out of 10. Rankings below use our Balanced methodology — EQAO academics, three-year improvement, student experience, and programs weighted together. You can set your own weights or compare schools side by side.
25
Schools
19
Elementary
6
Secondary
$93,000
Median household income
Top elementary schools in Sarnia
Ranked by Balanced score · rank is among all Ontario elementary schools
| 1 | Cathcart Boulevard PS Lambton Kent District School Board · Ontario rank #319 | 8.3 |
| 2 | Lakeroad Lambton Kent District School Board · Ontario rank #443 | 8.0 |
| 3 | Holy Trinity Catholic School St. Clair Catholic District School Board · Ontario rank #990 | 7.1 |
| 4 | Ecole Sép Saint-Thomas-d'Aquin Conseil scolaire catholique Providence · Ontario rank #1231 | 6.8 |
| 5 | Confederation Central Lambton Kent District School Board · Ontario rank #1462 | 6.5 |
| 6 | Gregory A Hogan Sep S St. Clair Catholic District School Board · Ontario rank #1462 | 6.5 |
| 7 | King George VI Lambton Kent District School Board · Ontario rank #1550 | 6.4 |
| 8 | Rosedale Lambton Kent District School Board · Ontario rank #1624 | 6.3 |
| 9 | St Anne's Sep S St. Clair Catholic District School Board · Ontario rank #1709 | 6.2 |
| 10 | Sacred Heart Sep S St. Clair Catholic District School Board · Ontario rank #2034 | 5.8 |
| 11 | Hanna Memorial Lambton Kent District School Board · Ontario rank #2739 | 5.0 |
| 12 | Errol Road Lambton Kent District School Board · Ontario rank #3043 | 4.5 |
| 13 | École élémentaire Les Rapides Conseil scolaire Viamonde · Ontario rank #3080 | 4.4 |
| 14 | Lansdowne Lambton Kent District School Board · Ontario rank #3126 | 4.3 |
| 15 | St. Matthew Catholic School St. Clair Catholic District School Board · Ontario rank #3126 | 4.3 |
+ 4 more — see the full rankings and filter by city.
Top secondary schools in Sarnia
Ranked by Balanced score · rank is among all Ontario secondary schools
| 1 | Northern CI & VS Lambton Kent District School Board · Ontario rank #264 | 6.8 |
| 2 | St Patrick's High School St. Clair Catholic District School Board · Ontario rank #317 | 6.5 |
| 3 | Alexander Mackenzie Secondary School · Ontario rank #408 | 6.0 |
| 4 | Great Lakes Secondary School Lambton Kent District School Board · Ontario rank #782 | 4.0 |
| 5 | École secondaire Franco-Jeunesse Conseil scolaire Viamonde · Ontario rank #842 | 2.7 |
| 6 | ÉS Saint-François-Xavier Conseil scolaire catholique Providence · Ontario rank #851 | 2.4 |
Scores are calculated from public data (EQAO, Statistics Canada, Ontario Ministry of Education) for the 2024–25 school year. Small score differences should be treated as ties. See the methodology.