| Index | Harrison | Milton | Ontario |
| Average School Score | 77.8 | 70.9 | 67.5 |
| Total public schools | 2 | 46 | 7,342 |
| Index | Harrison | Milton | Ontario |
| No certificate, diploma or degree | 10.0% | 11.0% | 15.9% |
| High School certificate or equivalent | 90.4% | 88.6% | 84.1% |
| Apprenticeship or trades certificate | 69.9% | 64.3% | 56.9% |
| College or other non-university diploma | 66.3% | 59.9% | 51.1% |
| University certificate or below bachelor | 46.6% | 38.5% | 29.8% |
| Bachelor's degree | 44.1% | 36.4% | 27.9% |
| Above bachelor's degree | 13.3% | 10.9% | 9.1% |
| City | Population | Avg. School Score | National Avg. |
| Oakville, ON | 212,353 | 77.9 | 17.8% |
| Burlington, ON | 197,435 | 73.2 | 10.7% |
| Puslinch, ON | 7,805 | 73.2 | 10.6% |
| Mississauga, ON | 764,342 | 69.7 | 5.3% |
| Halton Hills, ON | 65,483 | 68.9 | 4.2% |
| Milton, ON | 142,128 | 70.9 | 7.2% |
| City | Population | Avg. School Score | National Avg. |
| Whitby, ON | 142,607 | 74.6 | 12.7% |
| St. Catharines, ON | 140,913 | 75.6 | 14.3% |
| Cambridge, ON | 140,221 | 64.0 | 3.2% |
| Kelowna, BC | 145,612 | 62.5 | 5.5% |
| Ajax, ON | 138,303 | 69.3 | 4.7% |
| Milton, ON | 142,128 | 70.9 | 7.2% |