| Index | Market Square | Welland | Ontario |
| Average School Score | n/a | 68.1 | 67.5 |
| Total public schools | 1 | 37 | 7,342 |
| Index | Market Square | Welland | Ontario |
| No certificate, diploma or degree | 24.0% | 19.0% | 15.9% |
| High School certificate or equivalent | 76.0% | 80.8% | 84.1% |
| Apprenticeship or trades certificate | 37.0% | 47.8% | 56.9% |
| College or other non-university diploma | 27.1% | 39.4% | 51.1% |
| University certificate or below bachelor | 6.5% | 14.0% | 29.8% |
| Bachelor's degree | 5.5% | 12.8% | 27.9% |
| Above bachelor's degree | 1.3% | 3.5% | 9.1% |
| City | Population | Avg. School Score | National Avg. |
| Niagara-on-the-Lake, ON | 20,111 | 88.9 | 34.5% |
| Pelham, ON | 18,077 | 85.2 | 28.8% |
| Lincoln, ON | 27,082 | 78.5 | 18.7% |
| St. Catharines, ON | 140,913 | 75.6 | 14.3% |
| Wainfleet, ON | 6,177 | 75.4 | 14.0% |
| Welland, ON | 56,929 | 68.1 | 3.0% |
| City | Population | Avg. School Score | National Avg. |
| Belleville, ON | 55,515 | 55.8 | 15.6% |
| North Bay, ON | 53,968 | 60.1 | 9.1% |
| Aurora, ON | 61,058 | 76.5 | 15.7% |
| Whitchurch-Stouffville, ON | 52,025 | 73.7 | 11.4% |
| Haldimand County, ON | 50,912 | 62.1 | 6.1% |
| Welland, ON | 56,929 | 68.1 | 3.0% |
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