| Index | Markdale | Grey Highlands | Ontario |
| Average School Score | 76.7 | 56.5 | 67.5 |
| Total public schools | 1 | 6 | 7,342 |
| Index | Markdale | Grey Highlands | Ontario |
| No certificate, diploma or degree | 21.0% | 22.0% | 15.9% |
| High School certificate or equivalent | 78.9% | 78.1% | 84.1% |
| Apprenticeship or trades certificate | 45.7% | 49.1% | 56.9% |
| College or other non-university diploma | 37.4% | 40.8% | 51.1% |
| University certificate or below bachelor | 10.9% | 18.8% | 29.8% |
| Bachelor's degree | 9.7% | 16.3% | 27.9% |
| Above bachelor's degree | 3.5% | 5.1% | 9.1% |
| City | Population | Avg. School Score | National Avg. |
| West Grey, ON | 13,645 | 59.9 | 9.4% |
| Chatsworth, ON | 6,972 | 50.8 | 23.3% |
| Grey Highlands, ON | 10,659 | 56.5 | 14.6% |
| City | Population | Avg. School Score | National Avg. |
| Tay, ON | 10,774 | 42.3 | 36.1% |
| Morinville, AB | 10,788 | 59.7 | 9.7% |
| Hawkesbury, ON | 10,526 | 70.2 | 6.1% |
| North Glengarry, ON | 10,494 | 76.2 | 15.2% |
| Elliot Lake, ON | 10,836 | 48.1 | 27.2% |
| Grey Highlands, ON | 10,659 | 56.5 | 14.6% |