| Index | Windsor Locks | Connecticut | National |
| Average Test Scores | 42% | 53% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 5 | 654 | 79,221 |
| Total private schools | 2 | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | Windsor Locks | Connecticut | National |
| Completed 8th grade | 87.3% | 88.0% | 84.3% |
| Completed high school | 86.9% | 86.9% | 83.0% |
| Completed some college | 54.0% | 62.9% | 59.4% |
| Completed associate degree | 33.7% | 45.5% | 38.5% |
| Completed bachelors | 22.8% | 38.0% | 30.3% |
| Completed masters | 8.5% | 16.8% | 11.5% |
| Completed professional degree | 1.3% | 4.6% | 3.3% |
| Completed doctorate | 0.5% | 1.7% | 1.3% |
There are a total of 5 public schools, 2 private schools and n/a post-secondary schools in Windsor Locks. Using the proficiency score averages, the average test scores for Windsor Locks, CT schools is 42%. The average student to teacher ratio is 12:1. In Windsor Locks, CT, an average of 87.3% of students have completed 8th grade and an average of 86.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Simsbury Center, CT | 6,271 | 79% | 63.5% |
| West Simsbury, CT | 3,131 | 77% | 60.4% |
| Weatogue, CT | 2,396 | 72% | 49.0% |
| Collinsville, CT | 3,729 | 71% | 47.9% |
| Salmon Brook, CT | 2,348 | 71% | 47.4% |
| Windsor Locks, CT | 12,732 | 42% | 13.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Gaffney, SC | 12,733 | 38% | 20.5% |
| Port Neches, TX | 12,729 | 54% | 12.1% |
| Commerce, CA | 12,738 | 34% | 28.5% |
| Franklin Park, NJ | 12,738 | 48% | 0.5% |
| East Islip, NY | 12,722 | 60% | 24.0% |
| Windsor Locks, CT | 12,732 | 42% | 13.2% |
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