| Index | Williamstown | Massachusetts | National |
| Average Test Scores | 67% | 52% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,167 | 79,221 |
| Total private schools | 2 | 508 | 24,874 |
| Total post-secondary schools | 1 | 193 | 7,963 |
| Index | Williamstown | Massachusetts | National |
| Completed 8th grade | 92.1% | 88.3% | 84.3% |
| Completed high school | 90.7% | 87.2% | 83.0% |
| Completed some college | 85.0% | 65.0% | 59.4% |
| Completed associate degree | 72.5% | 49.0% | 38.5% |
| Completed bachelors | 66.7% | 41.2% | 30.3% |
| Completed masters | 43.0% | 18.2% | 11.5% |
| Completed professional degree | 20.3% | 5.4% | 3.3% |
| Completed doctorate | 14.4% | 2.6% | 1.3% |
There are a total of 2 public schools, 2 private schools and 1 post-secondary schools in Williamstown. Using the proficiency score averages, the average test scores for Williamstown, MA schools is 67%. The average student to teacher ratio is 13:1. In Williamstown, MA, an average of 92.1% of students have completed 8th grade and an average of 90.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hoosick Falls, NY | 3,361 | 52% | 7.8% |
| Adams, MA | 5,689 | 47% | 3.1% |
| North Adams, MA | 12,897 | 37% | 23.5% |
| Cheshire, MA | 683 | 32% | 34.4% |
| Williamstown, MA | 4,565 | 67% | 39.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Hollister, MO | 4,564 | 40% | 17.4% |
| Longbranch, WA | 4,568 | 62% | 29.2% |
| Humboldt, IA | 4,568 | 81% | 68.1% |
| Portola Valley, CA | 4,568 | 86% | 79.2% |
| Raynham Center, MA | 4,561 | 62% | 28.6% |
| Williamstown, MA | 4,565 | 67% | 39.1% |
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