| Index | Miller | Missouri | National |
| Average Test Scores | 40% | 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 | Miller | Missouri | National |
| Completed 8th grade | 80.6% | 86.0% | 84.3% |
| Completed high school | 79.3% | 84.2% | 83.0% |
| Completed some college | 41.3% | 57.7% | 59.4% |
| Completed associate degree | 18.4% | 35.2% | 38.5% |
| Completed bachelors | 10.6% | 27.6% | 30.3% |
| Completed masters | 3.0% | 10.4% | 11.5% |
| Completed professional degree | 1.1% | 2.8% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Miller. Using the proficiency score averages, the average test scores for Miller, MO schools is 40%. The average student to teacher ratio is n/a. In Miller, MO, an average of 80.6% of students have completed 8th grade and an average of 79.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Marionville, MO | 2,718 | 56% | 17.4% |
| Ash Grove, MO | 1,457 | 48% | 0.5% |
| Mount Vernon, MO | 4,602 | 48% | 0.3% |
| Greenfield, MO | 1,446 | 42% | 12.5% |
| Lockwood, MO | 1,107 | 38% | 20.8% |
| Miller, MO | 724 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Kirby, AR | 724 | 40% | 17.7% |
| Overton, NE | 724 | 46% | 4.7% |
| Vermontville, MI | 724 | 41% | 14.6% |
| Cherry Valley, AR | 725 | 53% | 10.9% |
| Lake Village, IN | 725 | 55% | 13.5% |
| Miller, MO | 724 | 40% | 17.7% |
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