📊 What this ranking measures
Rankings are based on academic achievement — the share of students scoring proficient or above on state reading and math assessments (NCES EDFacts, 2021–22 for most districts), ranked against other districts in the same state — not on spending, district size, or staffing. See full methodology →
All 7 Rated Districts in Sussex County, DE
Sorted by rating, then state percentile
| County Rank | District | District Office | Rating | State Percentile |
|---|---|---|---|---|
| #1 | Cape Henlopen School District | Lewes | 10/10 Excellent | 97th |
| #2 | Indian River School District | Selbyville | 8/10 Good | 78th |
| #3 | Delmar School District | Delmar | 7/10 Good | 66th |
| #4 | Seaford School District | Seaford | 6/10 Average | 53rd |
| #5 | Woodbridge School District | Bridgeville | 4/10 Below Average | 34th |
| #6 | Laurel School District | Laurel | 3/10 Below Average | 22nd |
| #7 | Milford School District | Milford | 2/10 Poor | 16th |
Best School Districts in Sussex County, Delaware (2026)
This page lists the 7 public school districts headquartered in Sussex County, Delaware that have a SchoolDistrictFinder rating, scored using EDFacts 2021–22 state assessment data. The county rank is simply their order here; the state percentile compares each district with every rated district in Delaware, which is how the 1–10 rating is set. Ratings are not comparable with districts in other states.
Districts are placed in the county of their NCES directory listing. A district's boundaries can cross county lines, and a home in Sussex County may be served by a district headquartered next door — search your address or zip code to confirm.
Frequently Asked Questions
What is the best-rated school district in Sussex County, Delaware? ▼
Among the 7 rated districts in Sussex County, Delaware, the highest-rated is Cape Henlopen School District (Lewes), rated 10/10 (Excellent) and in the 97th percentile of Delaware districts on EDFacts 2021–22 reading and math proficiency.
How are these rankings calculated? ▼
Each district's rating comes from the share of its students scoring proficient or above on state reading and math assessments (EDFacts 2021–22), percentile-ranked against all rated districts in Delaware and converted to a 1–10 scale. Full methodology here.