| Index | Rockville | Nebraska | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |
| Index | Rockville | Nebraska | National |
| Completed 8th grade | 92.4% | 88.4% | 84.3% |
| Completed high school | 92.4% | 87.2% | 83.0% |
| Completed some college | 65.2% | 63.7% | 59.4% |
| Completed associate degree | 40.2% | 40.1% | 38.5% |
| Completed bachelors | 15.2% | 30.0% | 30.3% |
| Completed masters | 0.0% | 9.9% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Rockville. Using the proficiency score averages, the average test scores for Rockville, NE schools is n/a. The average student to teacher ratio is n/a. In Rockville, NE, an average of 92.4% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ravenna, NE | 1,465 | 58% | 21.4% |
| Cairo, NE | 1,123 | 56% | 16.1% |
| Pleasanton, NE | 410 | 45% | 6.8% |
| Loup City, NE | 1,004 | 38% | 20.3% |
| Elba, NE | 268 | 25% | 47.9% |
| Rockville, NE | 176 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Washtucna, WA | 176 | 40% | 16.7% |
| Rockland, ID | 176 | 67% | 39.6% |
| Glacier View, AK | 176 | 50% | 4.2% |
| San Geronimo, CA | 176 | 51% | 6.3% |
| Alpine, AZ | 176 | 65% | 35.4% |
| Rockville, NE | 176 | n/a |
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