| Index | Millerton | Iowa | National |
| Average Test Scores | n/a | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |

| Index | Millerton | Iowa | National |
| Completed 8th grade | 94.6% | 89.2% | 84.3% |
| Completed high school | 94.6% | 87.7% | 83.0% |
| Completed some college | 70.3% | 59.8% | 59.4% |
| Completed associate degree | 64.9% | 38.4% | 38.5% |
| Completed bachelors | 32.4% | 27.2% | 30.3% |
| Completed masters | 2.7% | 8.7% | 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 Millerton. Using the proficiency score averages, the average test scores for Millerton, IA schools is n/a. The average student to teacher ratio is n/a. In Millerton, IA, an average of 94.6% of students have completed 8th grade and an average of 94.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Corydon, IA | 1,714 | 73% | 52.6% |
| Chariton, IA | 4,281 | 69% | 43.1% |
| Humeston, IA | 462 | 55% | 13.5% |
| Seymour, IA | 533 | 52% | 8.3% |
| Millerton, IA | 128 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Shade Gap, PA | 128 | 45% | 6.3% |
| Nicolaus, CA | 128 | 40% | 17.7% |
| Kokhanok, AK | 128 | 30% | 37.5% |
| Sharon, OK | 128 | 42% | 12.5% |
| Nicasio, CA | 127 | 60% | 25.0% |
| Millerton, IA | 128 | n/a |