| District | City | Rating | Students | Schools | Grades | Zip Codes |
|---|---|---|---|---|---|---|
| Cape Henlopen School District | Millsboro | 10/10 Excellent · 97th pct | 6,336 | 9 | PK–12 | 5 |
| Indian River School District | Bethany Beach | 8/10 Good · 78th pct | 10,799 | 16 | PK–12 | 8 |
| Delmar School District | Delmar | 7/10 Good · 66th pct | 1,427 | 3 | 5–12 | 1 |
| Seaford School District | Seaford | 6/10 Average · 53rd pct | 3,410 | 7 | PK–12 | 1 |
| Woodbridge School District | Bridgeville | 4/10 Below Average · 34th pct | 2,494 | 4 | PK–12 | 2 |
| Laurel School District | Bethel | 3/10 Below Average · 22nd pct | 2,598 | 4 | PK–12 | 2 |
| Milford School District | Ellendale | 2/10 Poor · 16th pct | 4,470 | 6 | PK–12 | 4 |
How Sussex County compares
Together they enroll 31,534 students across 49 schools. The largest is Indian River School District with 10,799 students. Districts here average 5.7/10, above the Delaware average of 5.5/10. Ratings range from 2/10 to 10/10.
School Districts in Sussex County, Delaware
Sussex County has 7 public school districts covering 23 zip codes. The top-rated district in Sussex County is Cape Henlopen School District (10/10). Ratings are based on the share of students proficient in reading and math on state assessments (NCES EDFacts, 2021–22 for most districts), ranked against all districts in Delaware. Directory details come from NCES CCD 2024–25.
Enter your zip code on any page to confirm your exact district assignment — district boundaries are address-specific and may not follow county or city lines.