| Index | Millston | Wisconsin | National |
| Average Test Scores | n/a | 41% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,869 | 79,221 |
| Total private schools | n/a | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Millston | Wisconsin | National |
| Completed 8th grade | 75.8% | 89.0% | 84.3% |
| Completed high school | 75.8% | 87.8% | 83.0% |
| Completed some college | 44.2% | 59.7% | 59.4% |
| Completed associate degree | 21.1% | 38.7% | 38.5% |
| Completed bachelors | 13.7% | 28.4% | 30.3% |
| Completed masters | 4.2% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.7% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Millston. Using the proficiency score averages, the average test scores for Millston, WI schools is n/a. The average student to teacher ratio is n/a. In Millston, WI, an average of 75.8% of students have completed 8th grade and an average of 75.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Warrens, WI | 493 | 40% | 17.7% |
| Tomah, WI | 9,342 | 36% | 24.6% |
| Wyeville, WI | 158 | 30% | 37.5% |
| Black River Falls, WI | 3,473 | 25% | 47.6% |
| Millston, WI | 108 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Arlington, AZ | 108 | 35% | 28.1% |
| Roosevelt, WA | 108 | 50% | 4.2% |
| Herminie, PA | 108 | 65% | 34.4% |
| Eagle, AK | 109 | 50% | 4.2% |
| Cardwell, MT | 107 | 50% | 4.2% |
| Millston, WI | 108 | n/a |
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