| 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 | 5,658 | 78% | 61.6% |
| Village Green-Green Ridge, PA | 8,661 | 77% | 60.4% |
| Kennett Square, PA | 6,182 | 75% | 57.1% |
| Brookhaven, PA | 8,045 | 72% | 50.0% |
| Swarthmore, PA | 6,339 | 70% | 46.4% |
| Penns Grove, NJ | 4,793 | 22% | 54.2% |
| City | Population | Avg. Test Scores | National Avg. |
| West Milton, OH | 4,790 | 67% | 38.9% |
| Holts Summit, MO | 4,790 | 43% | 11.5% |
| Goddard, KS | 4,797 | 48% | 0.4% |
| Shenandoah, PA | 4,789 | 35% | 28.1% |
| Polk City, IA | 4,797 | 85% | 76.0% |
| Penns Grove, NJ | 4,793 | 22% | 54.2% |
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