| Index | Mifflintown | Pennsylvania | National |
| Average Test Scores | 49% | 55% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |

| Index | Mifflintown | Pennsylvania | National |
| Completed 8th grade | 80.5% | 86.9% | 84.3% |
| Completed high school | 79.8% | 85.6% | 83.0% |
| Completed some college | 40.8% | 53.6% | 59.4% |
| Completed associate degree | 19.2% | 37.4% | 38.5% |
| Completed bachelors | 12.7% | 29.3% | 30.3% |
| Completed masters | 4.6% | 11.5% | 11.5% |
| Completed professional degree | 0.9% | 3.3% | 3.3% |
| Completed doctorate | 0.7% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mifflintown. Using the proficiency score averages, the average test scores for Mifflintown, PA schools is 49%. The average student to teacher ratio is n/a. In Mifflintown, PA, an average of 80.5% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Strodes Mills, PA | 1,217 | 65% | 35.4% |
| Millerstown, PA | 720 | 64% | 33.0% |
| Beaver Springs, PA | 796 | 60% | 24.0% |
| Newport, PA | 1,700 | 55% | 14.9% |
| Bloomfield, PA | 1,318 | 55% | 14.6% |
| Mifflintown, PA | 991 | 49% | 1.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Klamath, CA | 991 | 20% | 58.3% |
| Reading, MI | 991 | 31% | 35.9% |
| Pleasantville, OH | 991 | 80% | 65.6% |
| Hawesville, KY | 990 | 45% | 7.3% |
| Clarkfield, MN | 990 | 80% | 66.7% |
| Mifflintown, PA | 991 | 49% | 1.0% |