| Index | Lancaster | Missouri | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Lancaster | Missouri | National |
| Completed 8th grade | 86.7% | 86.0% | 84.3% |
| Completed high school | 85.9% | 84.2% | 83.0% |
| Completed some college | 53.0% | 57.7% | 59.4% |
| Completed associate degree | 19.8% | 35.2% | 38.5% |
| Completed bachelors | 13.3% | 27.6% | 30.3% |
| Completed masters | 4.8% | 10.4% | 11.5% |
| Completed professional degree | 0.0% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lancaster. Using the proficiency score averages, the average test scores for Lancaster, MO schools is n/a. The average student to teacher ratio is n/a. In Lancaster, MO, an average of 86.7% of students have completed 8th grade and an average of 85.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Moulton, IA | 640 | 56% | 16.7% |
| Queen City, MO | 702 | 43% | 9.9% |
| Lancaster, MO | 794 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Clarkrange, TN | 794 | 37% | 22.9% |
| Ellenboro, NC | 794 | 58% | 19.8% |
| Valley View, TX | 794 | 40% | 16.3% |
| McCammon, ID | 794 | 65% | 34.4% |
| Osmond, NE | 794 | 73% | 51.0% |
| Lancaster, MO | 794 | n/a |
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