| Index | Williamstown | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Williamstown | Pennsylvania | National |
| Completed 8th grade | 84.1% | 86.9% | 84.3% |
| Completed high school | 82.8% | 85.6% | 83.0% |
| Completed some college | 37.7% | 53.6% | 59.4% |
| Completed associate degree | 18.4% | 37.4% | 38.5% |
| Completed bachelors | 8.0% | 29.3% | 30.3% |
| Completed masters | 2.8% | 11.5% | 11.5% |
| Completed professional degree | 0.2% | 3.3% | 3.3% |
| Completed doctorate | 0.2% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Williamstown. Using the proficiency score averages, the average test scores for Williamstown, PA schools is n/a. The average student to teacher ratio is n/a. In Williamstown, PA, an average of 84.1% of students have completed 8th grade and an average of 82.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Klingerstown, PA | 98 | 65% | 34.4% |
| Trevorton, PA | 1,681 | 62% | 29.2% |
| Pine Grove, PA | 2,130 | 61% | 26.4% |
| Herndon, PA | 386 | 60% | 24.5% |
| Jonestown, PA | 1,977 | 57% | 17.7% |
| Williamstown, PA | 1,208 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lyons, OR | 1,208 | 42% | 12.5% |
| Chesapeake, OH | 1,208 | 63% | 30.2% |
| Clifton, IL | 1,208 | 29% | 39.1% |
| Skyline-Ganipa, NM | 1,208 | 20% | 59.4% |
| New Columbia, PA | 1,208 | 60% | 24.0% |
| Williamstown, PA | 1,208 | n/a |
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