| Index | Milroy | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 1 | 2,563 | 79,221 |
| Total private schools | 2 | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |
| Index | Milroy | Pennsylvania | National |
| Completed 8th grade | 82.1% | 86.9% | 84.3% |
| Completed high school | 82.1% | 85.6% | 83.0% |
| Completed some college | 39.7% | 53.6% | 59.4% |
| Completed associate degree | 20.3% | 37.4% | 38.5% |
| Completed bachelors | 14.0% | 29.3% | 30.3% |
| Completed masters | 4.2% | 11.5% | 11.5% |
| Completed professional degree | 0.6% | 3.3% | 3.3% |
| Completed doctorate | 0.6% | 1.4% | 1.3% |
There are a total of 1 public schools, 2 private schools and n/a post-secondary schools in Milroy. Using the proficiency score averages, the average test scores for Milroy, PA schools is n/a. The average student to teacher ratio is 14:1. In Milroy, PA, an average of 82.1% of students have completed 8th grade and an average of 82.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| State College, PA | 42,100 | 68% | 41.6% |
| Pleasant Gap, PA | 3,208 | 67% | 39.6% |
| Strodes Mills, PA | 1,184 | 65% | 35.4% |
| Centre Hall, PA | 1,485 | 65% | 34.4% |
| Spring Mills, PA | 407 | 63% | 30.2% |
| Milroy, PA | 1,392 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Jarrell, TX | 1,392 | 36% | 25.7% |
| Charlestown, RI | 1,392 | 70% | 44.8% |
| Forreston, IL | 1,392 | 41% | 14.6% |
| Beaver, OK | 1,393 | 42% | 12.0% |
| Owensville, IN | 1,391 | 49% | 1.0% |
| Milroy, PA | 1,392 | n/a |
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