| Index | Selbyville | Delaware | National |
| Average Test Scores | 65% | 44% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 3 | 191 | 79,221 |
| Total private schools | n/a | 129 | 24,874 |
| Total post-secondary schools | n/a | 20 | 7,963 |

| Index | Selbyville | Delaware | National |
| Completed 8th grade | 76.4% | 86.3% | 84.3% |
| Completed high school | 75.9% | 85.3% | 83.0% |
| Completed some college | 48.5% | 57.7% | 59.4% |
| Completed associate degree | 32.4% | 38.2% | 38.5% |
| Completed bachelors | 16.9% | 30.5% | 30.3% |
| Completed masters | 6.3% | 12.4% | 11.5% |
| Completed professional degree | 1.2% | 3.5% | 3.3% |
| Completed doctorate | 0.4% | 1.7% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Selbyville. Using the proficiency score averages, the average test scores for Selbyville, DE schools is 65%. The average student to teacher ratio is 14:1. In Selbyville, DE, an average of 76.4% of students have completed 8th grade and an average of 75.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ocean View, DE | 2,718 | 78% | 62.5% |
| Ocean City, MD | 7,122 | 77% | 60.4% |
| Berlin, MD | 4,920 | 65% | 34.8% |
| Millsboro, DE | 4,616 | 60% | 25.3% |
| Willards, MD | 1,061 | 47% | 2.1% |
| Selbyville, DE | 2,614 | 65% | 34.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Jonesville, NC | 2,613 | 37% | 22.9% |
| Center Point, IA | 2,612 | 86% | 78.6% |
| Dover, MA | 2,612 | 85% | 77.4% |
| New Concord, OH | 2,612 | 70% | 46.5% |
| Nanty-Glo, PA | 2,611 | 38% | 20.3% |
| Selbyville, DE | 2,614 | 65% | 34.7% |