Cities / Sarnia
Best Schools in Sarnia
Sarnia has 24 publicly reported schools — 19 elementary and 5 secondary. Sacred Heart Sep S is currently the top-ranked school in Sarnia with a score of 8.9 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.
24
Schools
19
Elementary
5
Secondary
$93,000
Median household income
Top elementary schools in Sarnia
Ranked by Balanced score · rank is among all Ontario elementary schools
| 1 | Sacred Heart Sep S St. Clair Catholic District School Board · Ontario rank #139 | 8.9 |
| 2 | Cathcart Boulevard PS Lambton Kent District School Board · Ontario rank #425 | 8.0 |
| 3 | École élémentaire Les Rapides Conseil scolaire Viamonde · Ontario rank #958 | 7.1 |
| 4 | Confederation Central Lambton Kent District School Board · Ontario rank #1431 | 6.5 |
| 5 | Gregory A Hogan Sep S St. Clair Catholic District School Board · Ontario rank #1431 | 6.5 |
| 6 | St Anne's Sep S St. Clair Catholic District School Board · Ontario rank #1852 | 6.0 |
| 7 | King George VI Lambton Kent District School Board · Ontario rank #1934 | 5.9 |
| 8 | Rosedale Lambton Kent District School Board · Ontario rank #1934 | 5.9 |
| 9 | Holy Trinity Catholic School St. Clair Catholic District School Board · Ontario rank #2441 | 5.2 |
| 10 | St. Matthew Catholic School St. Clair Catholic District School Board · Ontario rank #2441 | 5.2 |
| 11 | Errol Road Lambton Kent District School Board · Ontario rank #2608 | 5.0 |
| 12 | Lakeroad Lambton Kent District School Board · Ontario rank #2789 | 4.7 |
| 13 | Ecole Sép Saint-Thomas-d'Aquin Conseil scolaire catholique Providence · Ontario rank #2899 | 4.5 |
| 14 | Hanna Memorial Lambton Kent District School Board · Ontario rank #3081 | 4.1 |
| 15 | P.E. McGibbon Public School Lambton Kent District School Board · Ontario rank #3275 | 3.5 |
| 16 | Lansdowne Lambton Kent District School Board · Ontario rank #3500 | 2.3 |
| 17 | Queen Elizabeth II Lambton Kent District School Board · Ontario rank #3500 | 2.3 |
| 18 | High Park Lambton Kent District School Board · Ontario rank #3537 | 1.9 |
| 19 | London Road Lambton Kent District School Board · Ontario rank #3537 | 1.9 |
All 19 elementary schools listed. Change the weighting on the rankings page to reorder by what matters to you.
Top secondary schools in Sarnia
Ranked by Balanced score · rank is among all Ontario secondary schools
| 1 | St Patrick's High School St. Clair Catholic District School Board · Ontario rank #278 | 6.6 |
| 2 | Northern CI & VS Lambton Kent District School Board · Ontario rank #411 | 5.8 |
| 3 | Great Lakes Secondary School Lambton Kent District School Board · Ontario rank #606 | 4.3 |
| 4 | ÉS Saint-François-Xavier Conseil scolaire catholique Providence · Ontario rank #699 | 3.2 |
| 5 | École secondaire Franco-Jeunesse Conseil scolaire Viamonde · Ontario rank #718 | 2.7 |
All 5 secondary schools listed. Change the weighting on the rankings page to reorder by what matters to you.
Scores are calculated from public data (EQAO, Statistics Canada, Ontario Ministry of Education) for the 2025–26 school year. Small score differences should be treated as ties. See the methodology.