| Index | Seaford | Delaware | National |
| Average Test Scores | 45% | 44% | 48% |
| Student/Teacher ratio | 16:1 | 16:1 | 16:1 |
| Total public schools | 7 | 191 | 79,221 |
| Total private schools | 3 | 129 | 24,874 |
| Total post-secondary schools | n/a | 20 | 7,963 |
| Index | Seaford | Delaware | National |
| Completed 8th grade | 77.7% | 86.3% | 84.3% |
| Completed high school | 76.8% | 85.3% | 83.0% |
| Completed some college | 42.9% | 57.7% | 59.4% |
| Completed associate degree | 21.8% | 38.2% | 38.5% |
| Completed bachelors | 14.9% | 30.5% | 30.3% |
| Completed masters | 5.9% | 12.4% | 11.5% |
| Completed professional degree | 1.5% | 3.5% | 3.3% |
| Completed doctorate | 0.1% | 1.7% | 1.3% |
There are a total of 7 public schools, 3 private schools and n/a post-secondary schools in Seaford. Using the proficiency score averages, the average test scores for Seaford, DE schools is 45%. The average student to teacher ratio is 16:1. In Seaford, DE, an average of 77.7% of students have completed 8th grade and an average of 76.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mardela Springs, MD | 487 | 55% | 15.1% |
| Delmar, MD | 3,321 | 48% | 1.0% |
| Georgetown, DE | 7,436 | 47% | 2.1% |
| Delmar, DE | 2,153 | 45% | 6.8% |
| Bridgeville, DE | 3,508 | 37% | 22.4% |
| Seaford, DE | 7,897 | 45% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Flowery Branch, GA | 7,896 | 46% | 3.3% |
| Sheboygan Falls, WI | 7,898 | 37% | 22.6% |
| Bridge City, TX | 7,902 | 51% | 6.3% |
| Flushing, MI | 7,891 | 49% | 1.8% |
| Bennettsville, SC | 7,905 | 36% | 25.5% |
| Seaford, DE | 7,897 | 45% | 6.3% |
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