| Index | Dedham | Massachusetts | National |
| Average Test Scores | 54% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 7 | 1,167 | 79,221 |
| Total private schools | 2 | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |
| Index | Dedham | Massachusetts | National |
| Completed 8th grade | 92.7% | 88.3% | 84.3% |
| Completed high school | 91.6% | 87.2% | 83.0% |
| Completed some college | 69.2% | 65.0% | 59.4% |
| Completed associate degree | 54.2% | 49.0% | 38.5% |
| Completed bachelors | 47.5% | 41.2% | 30.3% |
| Completed masters | 20.2% | 18.2% | 11.5% |
| Completed professional degree | 6.0% | 5.4% | 3.3% |
| Completed doctorate | 2.5% | 2.6% | 1.3% |
There are a total of 7 public schools, 2 private schools and n/a post-secondary schools in Dedham. Using the proficiency score averages, the average test scores for Dedham, MA schools is 54%. The average student to teacher ratio is 13:1. In Dedham, MA, an average of 92.7% of students have completed 8th grade and an average of 91.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dover, MA | 2,518 | 85% | 77.4% |
| Belmont, MA | 26,158 | 84% | 74.0% |
| Winchester, MA | 22,760 | 81% | 69.3% |
| West Concord, MA | 7,294 | 81% | 67.7% |
| Wellesley, MA | 28,747 | 80% | 66.0% |
| Dedham, MA | 25,330 | 54% | 11.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Edwardsville, IL | 25,332 | 53% | 9.5% |
| Kingsville, TX | 25,367 | 45% | 7.3% |
| Mount Pleasant, MI | 25,290 | 43% | 9.6% |
| Salem, VA | 25,290 | 84% | 74.2% |
| Clinton, IA | 25,290 | 66% | 37.2% |
| Dedham, MA | 25,330 | 54% | 11.8% |
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