| Index | Millheim | Pennsylvania | National |
| Average Test Scores | n/a | 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 | Millheim | Pennsylvania | National |
| Completed 8th grade | 87.8% | 86.9% | 84.3% |
| Completed high school | 83.2% | 85.6% | 83.0% |
| Completed some college | 38.7% | 53.6% | 59.4% |
| Completed associate degree | 32.4% | 37.4% | 38.5% |
| Completed bachelors | 21.1% | 29.3% | 30.3% |
| Completed masters | 6.0% | 11.5% | 11.5% |
| Completed professional degree | 3.0% | 3.3% | 3.3% |
| Completed doctorate | 2.3% | 1.4% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Millheim. Using the proficiency score averages, the average test scores for Millheim, PA schools is n/a. The average student to teacher ratio is n/a. In Millheim, PA, an average of 87.8% of students have completed 8th grade and an average of 83.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Howard, PA | 837 | 89% | 85.4% |
| Rebersburg, PA | 544 | 75% | 56.3% |
| Pleasant Gap, PA | 3,296 | 67% | 39.6% |
| Centre Hall, PA | 1,540 | 65% | 34.4% |
| Spring Mills, PA | 421 | 63% | 30.2% |
| Millheim, PA | 542 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hornersville, MO | 542 | 30% | 38.5% |
| Evant, TX | 542 | 35% | 27.6% |
| Gaston, OR | 542 | 50% | 3.1% |
| Calumet, OK | 542 | 49% | 1.7% |
| Strasburg, IL | 543 | 37% | 22.4% |
| Millheim, PA | 542 | n/a |
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