| Index | Viola | Delaware | National |
| Average Test Scores | n/a | 44% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 191 | 79,221 |
| Total private schools | n/a | 129 | 24,874 |
| Total post-secondary schools | n/a | 20 | 7,963 |
| Index | Viola | Delaware | National |
| Completed 8th grade | 90.2% | 86.3% | 84.3% |
| Completed high school | 90.2% | 85.3% | 83.0% |
| Completed some college | 60.9% | 57.7% | 59.4% |
| Completed associate degree | 29.3% | 38.2% | 38.5% |
| Completed bachelors | 26.3% | 30.5% | 30.3% |
| Completed masters | 3.8% | 12.4% | 11.5% |
| Completed professional degree | 0.0% | 3.5% | 3.3% |
| Completed doctorate | 0.0% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Viola. Using the proficiency score averages, the average test scores for Viola, DE schools is n/a. The average student to teacher ratio is n/a. In Viola, DE, an average of 90.2% of students have completed 8th grade and an average of 90.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Frederica, DE | 948 | 77% | 60.4% |
| Hartly, DE | 167 | 62% | 29.2% |
| Felton, DE | 1,191 | 56% | 17.0% |
| Harrington, DE | 3,658 | 51% | 6.3% |
| Milford, DE | 11,463 | 47% | 1.3% |
| Viola, DE | 173 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Cliff, NM | 173 | 28% | 42.2% |
| Tanana, AK | 173 | 25% | 47.9% |
| Quemado, NM | 173 | 21% | 56.3% |
| Daykin, NE | 173 | 42% | 12.0% |
| Rexford, KS | 173 | 35% | 27.1% |
| Viola, DE | 173 | n/a |
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