| Index | Gloucester City | New Jersey | National |
| Average Test Scores | 45% | 52% | 48% |
| Student/Teacher ratio | 10:1 | 13:1 | 16:1 |
| Total public schools | 3 | 1,604 | 79,221 |
| Total private schools | 2 | 823 | 24,874 |
| Total post-secondary schools | 1 | 157 | 7,963 |
| Index | Gloucester City | New Jersey | National |
| Completed 8th grade | 85.0% | 87.5% | 84.3% |
| Completed high school | 82.7% | 86.3% | 83.0% |
| Completed some college | 43.4% | 60.7% | 59.4% |
| Completed associate degree | 24.8% | 43.9% | 38.5% |
| Completed bachelors | 19.9% | 37.5% | 30.3% |
| Completed masters | 5.5% | 14.4% | 11.5% |
| Completed professional degree | 1.4% | 4.0% | 3.3% |
| Completed doctorate | 0.3% | 1.5% | 1.3% |
There are a total of 3 public schools, 2 private schools and 1 post-secondary schools in Gloucester City. Using the proficiency score averages, the average test scores for Gloucester City, NJ schools is 45%. The average student to teacher ratio is 10:1. In Gloucester City, NJ, an average of 85.0% of students have completed 8th grade and an average of 82.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Penn Wynne, PA | 5,769 | 87% | 81.3% |
| Bryn Mawr, PA | 5,611 | 86% | 78.1% |
| Ardmore, PA | 13,567 | 85% | 77.1% |
| Narberth, PA | 4,304 | 81% | 68.8% |
| Media, PA | 5,658 | 78% | 61.6% |
| Gloucester City, NJ | 11,229 | 45% | 6.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Webster, TX | 11,229 | 43% | 10.1% |
| Forestville, MD | 11,224 | 16% | 67.3% |
| Greensburg, IN | 11,221 | 49% | 2.5% |
| Grand Rapids, MN | 11,218 | 48% | 0.3% |
| Camp Verde, AZ | 11,241 | 29% | 40.3% |
| Gloucester City, NJ | 11,229 | 45% | 6.9% |
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