| Index | Castor | Alberta | National |
| Average School Score | 69.4 | 64.6 | 66.1 |
| Total public schools | 5 | 2,475 | 17,366 |
| Index | Castor | Alberta | National |
| No certificate, diploma or degree | 17.0% | 15.4% | 16.7% |
| High School certificate or equivalent | 83.1% | 84.6% | 83.3% |
| Apprenticeship or trades certificate | 48.7% | 56.9% | 56.8% |
| College or other non-university diploma | 32.8% | 47.5% | 47.4% |
| University certificate or below bachelor | 13.5% | 27.7% | 27.5% |
| Bachelor's degree | 10.6% | 25.2% | 25.1% |
| Above bachelor's degree | 3.5% | 7.2% | 8.1% |
| City | Population | Avg. School Score | National Avg. |
| Castor, AB | 911 | 69.4 | 5.0% |
| City | Population | Avg. School Score | National Avg. |
| Mannville, AB | 912 | 52.5 | 20.6% |
| Red Rock, ON | 910 | 73.0 | 10.4% |
| Queen Charlotte, BC | 915 | 58.5 | 11.5% |
| Gore Bay, ON | 920 | 82.5 | 24.7% |
| Coronation, AB | 921 | 62.4 | 5.6% |
| Castor, AB | 911 | 69.4 | 5.0% |