| Index | Watertown Town | Massachusetts | National |
| Average Test Scores | 53% | 52% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,167 | 79,221 |
| Total private schools | n/a | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |
| Index | Watertown Town | Massachusetts | National |
| Completed 8th grade | 94.3% | 88.3% | 84.3% |
| Completed high school | 93.5% | 87.2% | 83.0% |
| Completed some college | 77.6% | 65.0% | 59.4% |
| Completed associate degree | 67.2% | 49.0% | 38.5% |
| Completed bachelors | 62.0% | 41.2% | 30.3% |
| Completed masters | 29.9% | 18.2% | 11.5% |
| Completed professional degree | 9.4% | 5.4% | 3.3% |
| Completed doctorate | 5.6% | 2.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Watertown Town. Using the proficiency score averages, the average test scores for Watertown Town, MA schools is 53%. The average student to teacher ratio is n/a. In Watertown Town, MA, an average of 94.3% of students have completed 8th grade and an average of 93.5% 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% |
| Watertown Town, MA | 35,749 | 53% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Richmond, KY | 35,744 | 54% | 13.2% |
| Cooper City, FL | 35,715 | 77% | 59.7% |
| El Mirage, AZ | 35,702 | 37% | 23.5% |
| Temple City, CA | 35,699 | 65% | 34.8% |
| Del Rio, TX | 35,828 | 42% | 11.8% |
| Watertown Town, MA | 35,749 | 53% | 10.4% |
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