Delaware public school districts ranked by total public school enrollment across every school in the county. Counties need at least 3 schools and 1,000 students to qualify.
| # | County | State | Students |
|---|---|---|---|
| 1 | New Castle County | DE | 78,534 |
| 2 | Sussex County | DE | 32,366 |
| 3 | Kent County | DE | 31,256 |