| Index | Cornwall | Prince Edward Island | National |
| Average School Score | n/a | n/a | 66.1 |
| Total public schools | 3 | 62 | 17,366 |
| Index | Cornwall | Prince Edward Island | National |
| No certificate, diploma or degree | 12.0% | 17.7% | 16.7% |
| High School certificate or equivalent | 88.0% | 82.4% | 83.3% |
| Apprenticeship or trades certificate | 63.2% | 55.2% | 56.8% |
| College or other non-university diploma | 55.0% | 47.5% | 47.4% |
| University certificate or below bachelor | 28.8% | 23.0% | 27.5% |
| Bachelor's degree | 25.7% | 20.8% | 25.1% |
| Above bachelor's degree | 7.0% | 6.3% | 8.1% |
| City | Population | Avg. School Score | National Avg. |
| Cornwall, PE | 6,417 | n/a |
| City | Population | Avg. School Score | National Avg. |
| Tweed, ON | 6,406 | 59.1 | 10.7% |
| Wainwright, AB | 6,405 | 67.0 | 1.3% |
| Oliver Paipoonge, ON | 6,433 | 69.7 | 5.4% |
| Peachland, BC | 6,336 | 59.4 | 10.2% |
| Perth, ON | 6,328 | 63.4 | 4.2% |
| Cornwall, PE | 6,417 | n/a |