| Index | Sidney | British Columbia | National |
| Average School Score | 62.3 | 62.9 | 66.1 |
| Total public schools | 2 | 2,286 | 17,366 |
| Index | Sidney | British Columbia | National |
| No certificate, diploma or degree | 11.0% | 14.1% | 16.7% |
| High School certificate or equivalent | 89.1% | 85.9% | 83.3% |
| Apprenticeship or trades certificate | 59.2% | 56.6% | 56.8% |
| College or other non-university diploma | 50.2% | 48.1% | 47.4% |
| University certificate or below bachelor | 27.1% | 29.4% | 27.5% |
| Bachelor's degree | 23.5% | 26.4% | 25.1% |
| Above bachelor's degree | 8.7% | 8.9% | 8.1% |
| City | Population | Avg. School Score | National Avg. |
| Cowichan Valley C, BC | 5,466 | 64.0 | 3.3% |
| Cowichan Valley D, BC | 3,569 | 63.3 | 4.3% |
| Saltspring Island, BC | 11,001 | 63.1 | 4.6% |
| North Saanich, BC | 11,587 | 62.9 | 4.9% |
| North Cowichan, BC | 32,420 | 62.6 | 5.3% |
| Sidney, BC | 12,386 | 62.3 | 5.8% |
| City | Population | Avg. School Score | National Avg. |
| Summerland, BC | 12,400 | 64.1 | 3.1% |
| Brock, ON | 12,406 | 60.4 | 8.7% |
| Wellesley, ON | 12,358 | 68.1 | 2.9% |
| Terrace, BC | 12,342 | 60.0 | 9.3% |
| Kincardine, ON | 12,522 | 60.7 | 8.3% |
| Sidney, BC | 12,386 | 62.3 | 5.8% |