| Index | Delaware City | 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 | Delaware City | Delaware | National |
| Completed 8th grade | 89.6% | 86.3% | 84.3% |
| Completed high school | 89.6% | 85.3% | 83.0% |
| Completed some college | 45.9% | 57.7% | 59.4% |
| Completed associate degree | 20.4% | 38.2% | 38.5% |
| Completed bachelors | 14.7% | 30.5% | 30.3% |
| Completed masters | 0.9% | 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 Delaware City. Using the proficiency score averages, the average test scores for Delaware City, DE schools is n/a. The average student to teacher ratio is n/a. In Delaware City, DE, an average of 89.6% of students have completed 8th grade and an average of 89.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Beckett, NJ | 5,091 | 70% | 45.3% |
| Hockessin, DE | 14,172 | 67% | 39.2% |
| Pedricktown, NJ | 384 | 65% | 34.4% |
| Townsend, DE | 2,546 | 60% | 25.0% |
| Odessa, DE | 352 | 56% | 16.7% |
| Delaware City, DE | 1,779 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Long Lake, MN | 1,779 | 77% | 59.7% |
| Oologah, OK | 1,779 | 40% | 16.3% |
| Zeigler, IL | 1,779 | 21% | 57.3% |
| Johnson City, TX | 1,780 | 53% | 11.1% |
| Lampeter, PA | 1,778 | 73% | 52.4% |
| Delaware City, DE | 1,779 | n/a |
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