| Index | Petrolia | Ontario | National | 
| Average School Score | 66.6 | 67.5 | 66.1 | 
| Total public schools | 6 | 7,342 | 17,366 | 
| Index | Petrolia | Ontario | National | 
| No certificate, diploma or degree | 16.0% | 15.9% | 16.7% | 
| High School certificate or equivalent | 83.9% | 84.1% | 83.3% | 
| Apprenticeship or trades certificate | 53.8% | 56.9% | 56.8% | 
| College or other non-university diploma | 45.1% | 51.1% | 47.4% | 
| University certificate or below bachelor | 15.2% | 29.8% | 27.5% | 
| Bachelor's degree | 13.5% | 27.9% | 25.1% | 
| Above bachelor's degree | 3.0% | 9.1% | 8.1% | 
| City | Population | Avg. School Score | National Avg. | 
| Brooke-Alvinston, ON | 2,469 | 74.2 | 12.1% | 
| Plympton-Wyoming, ON | 8,517 | 72.3 | 9.2% | 
| Warwick, ON | 3,811 | 69.8 | 5.5% | 
| Dawn-Euphemia, ON | 1,907 | 66.0 | 0.2% | 
| Sarnia, ON | 74,477 | 63.8 | 3.5% | 
| Petrolia, ON | 6,108 | 66.6 | 0.6% | 
| City | Population | Avg. School Score | National Avg. | 
| Southwest Middlesex, ON | 6,087 | 54.2 | 18.1% | 
| Bonnyville, AB | 6,142 | 63.1 | 4.7% | 
| Wainfleet, ON | 6,177 | 75.4 | 14.0% | 
| South Bruce, ON | 6,022 | 79.3 | 19.9% | 
| Okanagan-Similkameen D, BC | 6,227 | 68.1 | 3.0% | 
| Petrolia, ON | 6,108 | 66.6 | 0.6% |