| Index | Lewistown | Missouri | National |
| Average Test Scores | 37% | 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 | Lewistown | Missouri | National |
| Completed 8th grade | 86.4% | 86.0% | 84.3% |
| Completed high school | 82.1% | 84.2% | 83.0% |
| Completed some college | 30.4% | 57.7% | 59.4% |
| Completed associate degree | 15.2% | 35.2% | 38.5% |
| Completed bachelors | 8.4% | 27.6% | 30.3% |
| Completed masters | 0.5% | 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 Lewistown. Using the proficiency score averages, the average test scores for Lewistown, MO schools is 37%. The average student to teacher ratio is n/a. In Lewistown, MO, an average of 86.4% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lewistown, MO | 597 | 37% | 23.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Casco, WI | 597 | 55% | 14.6% |
| Hickory Grove, SC | 597 | 43% | 11.5% |
| Denver, IN | 597 | 40% | 16.7% |
| Chesnee, SC | 597 | 60% | 25.2% |
| Confluence, PA | 597 | 47% | 1.6% |
| Lewistown, MO | 597 | 37% | 23.4% |
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