| Index | Millersburg | 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 | Millersburg | Iowa | National |
| Completed 8th grade | 82.5% | 89.2% | 84.3% |
| Completed high school | 79.8% | 87.7% | 83.0% |
| Completed some college | 34.2% | 59.8% | 59.4% |
| Completed associate degree | 14.0% | 38.4% | 38.5% |
| Completed bachelors | 4.4% | 27.2% | 30.3% |
| Completed masters | 0.9% | 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 Millersburg. Using the proficiency score averages, the average test scores for Millersburg, IA schools is n/a. The average student to teacher ratio is n/a. In Millersburg, IA, an average of 82.5% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Williamsburg, IA | 3,152 | 83% | 72.9% |
| Brooklyn, IA | 1,677 | 75% | 55.2% |
| Victor, IA | 974 | 73% | 52.6% |
| North English, IA | 957 | 67% | 39.6% |
| Keota, IA | 834 | 66% | 37.0% |
| Millersburg, IA | 181 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Waterloo, SC | 181 | 37% | 22.9% |
| Carpenter, WY | 181 | 50% | 4.2% |
| Castleford, ID | 181 | 32% | 33.3% |
| Marion, ND | 181 | 60% | 25.0% |
| Artesian, SD | 181 | 50% | 4.2% |
| Millersburg, IA | 181 | n/a |
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