| Index | Penns Grove | New Jersey | National |
| Average Test Scores | 22% | 52% | 48% |
| Student/Teacher ratio | 11:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,604 | 79,221 |
| Total private schools | n/a | 823 | 24,874 |
| Total post-secondary schools | n/a | 157 | 7,963 |

| Index | Penns Grove | New Jersey | National |
| Completed 8th grade | 65.2% | 87.5% | 84.3% |
| Completed high school | 62.3% | 86.3% | 83.0% |
| Completed some college | 34.0% | 60.7% | 59.4% |
| Completed associate degree | 11.1% | 43.9% | 38.5% |
| Completed bachelors | 6.8% | 37.5% | 30.3% |
| Completed masters | 3.3% | 14.4% | 11.5% |
| Completed professional degree | 0.6% | 4.0% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Penns Grove. Using the proficiency score averages, the average test scores for Penns Grove, NJ schools is 22%. The average student to teacher ratio is 11:1. In Penns Grove, NJ, an average of 65.2% of students have completed 8th grade and an average of 62.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Media, PA | 5,798 | 78% | 61.6% |
| Village Green-Green Ridge, PA | 8,961 | 77% | 60.4% |
| Kennett Square, PA | 6,386 | 75% | 57.1% |
| Brookhaven, PA | 8,262 | 72% | 50.0% |
| Swarthmore, PA | 6,531 | 70% | 46.4% |
| Penns Grove, NJ | 4,920 | 22% | 54.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Berlin, MD | 4,920 | 65% | 34.8% |
| Evansdale, IA | 4,919 | 58% | 20.3% |
| Bigfork, MT | 4,918 | 53% | 10.6% |
| Morganville, NJ | 4,917 | 75% | 56.6% |
| Nashville, GA | 4,917 | 46% | 5.2% |
| Penns Grove, NJ | 4,920 | 22% | 54.2% |