| Index | Williamson | Arizona | National |
| Average Test Scores | n/a | 43% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 1,863 | 79,221 |
| Total private schools | n/a | 316 | 24,874 |
| Total post-secondary schools | n/a | 148 | 7,963 |
| Index | Williamson | Arizona | National |
| Completed 8th grade | 92.3% | 83.7% | 84.3% |
| Completed high school | 91.3% | 82.2% | 83.0% |
| Completed some college | 74.6% | 62.0% | 59.4% |
| Completed associate degree | 49.2% | 36.5% | 38.5% |
| Completed bachelors | 34.0% | 28.0% | 30.3% |
| Completed masters | 15.2% | 10.4% | 11.5% |
| Completed professional degree | 3.6% | 2.9% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Williamson. Using the proficiency score averages, the average test scores for Williamson, AZ schools is n/a. The average student to teacher ratio is n/a. In Williamson, AZ, an average of 92.3% of students have completed 8th grade and an average of 91.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Prescott, AZ | 43,463 | 52% | 7.5% |
| Prescott Valley, AZ | 45,592 | 47% | 2.2% |
| Chino Valley, AZ | 11,362 | 39% | 18.8% |
| Paulden, AZ | 5,003 | 20% | 59.4% |
| Williamson, AZ | 5,602 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Marlin, TX | 5,602 | 19% | 61.1% |
| Wayne, NE | 5,603 | 59% | 22.6% |
| Brookshire, TX | 5,601 | 40% | 16.9% |
| Edinboro, PA | 5,599 | 67% | 38.5% |
| Waimanalo, HI | 5,599 | 38% | 21.2% |
| Williamson, AZ | 5,602 | n/a |
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