| Index | Lancaster | Wisconsin | National |
| Average Test Scores | 41% | 41% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 3 | 1,869 | 79,221 |
| Total private schools | 1 | 872 | 24,874 |
| Total post-secondary schools | n/a | 114 | 7,963 |
| Index | Lancaster | Wisconsin | National |
| Completed 8th grade | 90.0% | 89.0% | 84.3% |
| Completed high school | 88.0% | 87.8% | 83.0% |
| Completed some college | 51.5% | 59.7% | 59.4% |
| Completed associate degree | 30.7% | 38.7% | 38.5% |
| Completed bachelors | 21.1% | 28.4% | 30.3% |
| Completed masters | 8.8% | 9.6% | 11.5% |
| Completed professional degree | 2.2% | 2.7% | 3.3% |
| Completed doctorate | 0.6% | 1.1% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Lancaster. Using the proficiency score averages, the average test scores for Lancaster, WI schools is 41%. The average student to teacher ratio is 12:1. In Lancaster, WI, an average of 90.0% of students have completed 8th grade and an average of 88.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Platteville, WI | 12,113 | 58% | 21.2% |
| Bloomington, WI | 735 | 57% | 18.8% |
| Fennimore, WI | 2,495 | 51% | 6.6% |
| Cassville, WI | 832 | 43% | 11.5% |
| Patch Grove, WI | 179 | 41% | 14.6% |
| Lancaster, WI | 3,725 | 41% | 14.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Mogadore, OH | 3,724 | 71% | 47.9% |
| Boyne City, MI | 3,721 | 53% | 10.1% |
| Collinsville, CT | 3,729 | 71% | 47.9% |
| Merton, WI | 3,721 | 72% | 49.0% |
| San Andreas, CA | 3,729 | 41% | 15.6% |
| Lancaster, WI | 3,725 | 41% | 14.6% |
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