| Index | Arlington | Massachusetts | National |
| Average Test Scores | 70% | 52% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 10 | 1,167 | 79,221 |
| Total private schools | 8 | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |
| Index | Arlington | Massachusetts | National |
| Completed 8th grade | 95.6% | 88.3% | 84.3% |
| Completed high school | 95.2% | 87.2% | 83.0% |
| Completed some college | 83.5% | 65.0% | 59.4% |
| Completed associate degree | 73.6% | 49.0% | 38.5% |
| Completed bachelors | 68.8% | 41.2% | 30.3% |
| Completed masters | 38.7% | 18.2% | 11.5% |
| Completed professional degree | 13.4% | 5.4% | 3.3% |
| Completed doctorate | 8.9% | 2.6% | 1.3% |
There are a total of 10 public schools, 8 private schools and n/a post-secondary schools in Arlington. Using the proficiency score averages, the average test scores for Arlington, MA schools is 70%. The average student to teacher ratio is 16:1. In Arlington, MA, an average of 95.6% of students have completed 8th grade and an average of 95.2% 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% |
| Arlington, MA | 45,379 | 70% | 45.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Oro Valley, AZ | 45,303 | 71% | 48.3% |
| West Seneca, NY | 45,272 | 61% | 26.0% |
| Hilo, HI | 45,248 | 46% | 4.5% |
| Herriman, UT | 45,211 | 46% | 5.2% |
| Rockwall, TX | 45,168 | 63% | 30.8% |
| Arlington, MA | 45,379 | 70% | 45.1% |
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