| Index | Lexington | Massachusetts | National |
| Average Test Scores | 78% | 52% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 10 | 1,167 | 79,221 |
| Total private schools | 8 | 508 | 24,874 |
| Total post-secondary schools | 2 | 193 | 7,963 |
| Index | Lexington | Massachusetts | National |
| Completed 8th grade | 97.1% | 88.3% | 84.3% |
| Completed high school | 96.8% | 87.2% | 83.0% |
| Completed some college | 90.2% | 65.0% | 59.4% |
| Completed associate degree | 83.5% | 49.0% | 38.5% |
| Completed bachelors | 79.6% | 41.2% | 30.3% |
| Completed masters | 52.4% | 18.2% | 11.5% |
| Completed professional degree | 20.9% | 5.4% | 3.3% |
| Completed doctorate | 13.1% | 2.6% | 1.3% |
There are a total of 10 public schools, 8 private schools and 2 post-secondary schools in Lexington. Using the proficiency score averages, the average test scores for Lexington, MA schools is 78%. The average student to teacher ratio is 12:1. In Lexington, MA, an average of 97.1% of students have completed 8th grade and an average of 96.8% 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% |
| Lexington, MA | 33,304 | 78% | 63.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Hinesville, GA | 33,304 | 37% | 23.2% |
| Holland, MI | 33,329 | 48% | 1.0% |
| Springville, UT | 33,251 | 45% | 6.2% |
| Alabaster, AL | 33,373 | 55% | 15.1% |
| Prairieville, LA | 33,228 | 88% | 82.5% |
| Lexington, MA | 33,304 | 78% | 63.1% |
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