| Index | Millersburg | Pennsylvania | National |
| Average Test Scores | 63% | 55% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 3 | 2,563 | 79,221 |
| Total private schools | 4 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Millersburg | Pennsylvania | National |
| Completed 8th grade | 78.9% | 86.9% | 84.3% |
| Completed high school | 73.6% | 85.6% | 83.0% |
| Completed some college | 38.6% | 53.6% | 59.4% |
| Completed associate degree | 25.4% | 37.4% | 38.5% |
| Completed bachelors | 15.9% | 29.3% | 30.3% |
| Completed masters | 5.4% | 11.5% | 11.5% |
| Completed professional degree | 0.5% | 3.3% | 3.3% |
| Completed doctorate | 0.0% | 1.4% | 1.3% |
There are a total of 3 public schools, 4 private schools and n/a post-secondary schools in Millersburg. Using the proficiency score averages, the average test scores for Millersburg, PA schools is 63%. The average student to teacher ratio is 13:1. In Millersburg, PA, an average of 78.9% of students have completed 8th grade and an average of 73.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dauphin, PA | 1,097 | 70% | 44.8% |
| Klingerstown, PA | 96 | 65% | 34.4% |
| Millerstown, PA | 699 | 64% | 33.0% |
| Herndon, PA | 374 | 60% | 24.5% |
| Beaver Springs, PA | 779 | 60% | 24.0% |
| Millersburg, PA | 2,514 | 63% | 31.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Sumiton, AL | 2,514 | 40% | 17.7% |
| Waretown, NJ | 2,514 | 42% | 13.5% |
| Jonesville, NC | 2,513 | 37% | 22.9% |
| Calvert City, KY | 2,513 | 39% | 18.2% |
| Dover-Foxcroft, ME | 2,512 | 42% | 13.5% |
| Millersburg, PA | 2,514 | 63% | 31.3% |
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