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


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| Index | Rio Grande | New Jersey | National |
| Completed 8th grade | 80.3% | 87.5% | 84.3% |
| Completed high school | 76.7% | 86.3% | 83.0% |
| Completed some college | 45.1% | 60.7% | 59.4% |
| Completed associate degree | 26.6% | 43.9% | 38.5% |
| Completed bachelors | 13.5% | 37.5% | 30.3% |
| Completed masters | 4.3% | 14.4% | 11.5% |
| Completed professional degree | 1.4% | 4.0% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Rio Grande. Using the proficiency score averages, the average test scores for Rio Grande, NJ schools is n/a. The average student to teacher ratio is n/a. In Rio Grande, NJ, an average of 80.3% of students have completed 8th grade and an average of 76.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stone Harbor, NJ | 876 | 80% | 66.7% |
| West Cape May, NJ | 1,008 | 60% | 25.0% |
| Avalon, NJ | 1,456 | 60% | 24.0% |
| North Wildwood, NJ | 3,794 | 52% | 8.3% |
| Cape May, NJ | 3,446 | 45% | 5.6% |
| Rio Grande, NJ | 2,759 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Caledonia, MN | 2,759 | 58% | 21.5% |
| Estill, SC | 2,759 | 37% | 22.6% |
| Norton Center, MA | 2,758 | 52% | 8.3% |
| Eagle Lake, FL | 2,758 | 45% | 5.6% |
| Quarryville, PA | 2,760 | 52% | 7.7% |
| Rio Grande, NJ | 2,759 | n/a |