| Index | Penbrook | Pennsylvania | National |
| Average Test Scores | n/a | 55% | 48% |
| Student/Teacher ratio | 20:1 | 16:1 | 16:1 |
| Total public schools | 1 | 2,563 | 79,221 |
| Total private schools | n/a | 1,626 | 24,874 |
| Total post-secondary schools | n/a | 406 | 7,963 |

| Index | Penbrook | Pennsylvania | National |
| Completed 8th grade | 88.9% | 86.9% | 84.3% |
| Completed high school | 88.2% | 85.6% | 83.0% |
| Completed some college | 53.6% | 53.6% | 59.4% |
| Completed associate degree | 38.4% | 37.4% | 38.5% |
| Completed bachelors | 27.1% | 29.3% | 30.3% |
| Completed masters | 6.8% | 11.5% | 11.5% |
| Completed professional degree | 0.5% | 3.3% | 3.3% |
| Completed doctorate | 0.5% | 1.4% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Penbrook. Using the proficiency score averages, the average test scores for Penbrook, PA schools is n/a. The average student to teacher ratio is 20:1. In Penbrook, PA, an average of 88.9% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bainbridge, PA | 1,440 | 84% | 75.0% |
| York Haven, PA | 848 | 77% | 60.4% |
| Hershey, PA | 15,338 | 76% | 57.7% |
| Palmyra, PA | 7,808 | 75% | 56.6% |
| Valley Green, PA | 3,590 | 72% | 50.0% |
| Penbrook, PA | 3,073 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| East Douglas, MA | 3,073 | 57% | 19.4% |
| Stanton, TX | 3,072 | 41% | 14.2% |
| Hennessey, OK | 3,072 | 33% | 30.9% |
| Providence, KY | 3,074 | 47% | 2.1% |
| East Prairie, MO | 3,072 | 34% | 28.8% |
| Penbrook, PA | 3,073 | n/a |