Delaware public school districts ranked by the diversity index, the chance that two students picked at random from the district belong to different racial or ethnic groups. Districts need at least 2 schools and 500 students to qualify. The median ranked district is at 67.6%.
| # | District | State | Diversity index |
|---|---|---|---|
| 1 | Red Clay Consolidated School District | DE | 71.2% |
| 2 | Seaford School District | DE | 71.1% |
| 3 | Laurel School District | DE | 71.1% |
| 4 | Appoquinimink School District | DE | 70.4% |
| 5 | Christina School District | DE | 70.1% |
| 6 | New Castle County Vocational-Technical School District | DE | 69.8% |
| 7 | Milford School District | DE | 68.8% |
| 8 | Brandywine School District | DE | 68.0% |
| 9 | Woodbridge School District | DE | 67.6% |
| 10 | Colonial School District | DE | 67.6% |
| 11 | Caesar Rodney School District | DE | 67.0% |
| 12 | Indian River School District | DE | 64.2% |
| 13 | Capital School District | DE | 63.5% |
| 14 | Smyrna School District | DE | 62.8% |
| 15 | Delmar School District | DE | 61.7% |
| 16 | Lake Forest School District | DE | 60.8% |
| 17 | Cape Henlopen School District | DE | 53.9% |