51 public K-12 schools in Wilmington from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
51 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of Wilmington's 51 public schools is Odyssey Charter School, scoring 36/100, against a city average of 39/100. Computed live across every Wilmington campus reporting to NCES.
How the Wilmington Public-School Landscape Breaks Down
Wilmington, DE enrolls 31,306 students across 51 public schools reporting to the National Center for Education Statistics. Of those, 10 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 12.9:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 39/100. Schools must report at least five campuses in a city to appear in this listing, which is why very small towns may redirect to the broader county or state view.
The most-resourced campus in Wilmington on this index is Odyssey Charter School, at 36/100 on the Resource Investment Index with 2,286 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
Wilmington spans 14 districts, each filing its own NCES F-33 return, per-pupil spending can vary between neighbouring campuses. Sort the table below by enrollment, level, or district; click any school for its full profile.
Wilmington school enrollment varies 19× across entities
Wilmington school enrollment ranges from 119 students (lowest) to 2,286 students (highest), a spread of 2,167 students. That spread reflects typical urban portfolio variation between specialty programs and large neighbourhood schools. Per-school staffing, programme depth, and capital-renovation cycles often diverge inside the same city based on enrollment shape, a 200-student magnet runs a different operational model than a 2,000-student comprehensive high school.
Wilmington operates 14 school districts — one of the single most fragmented governance structures in the country
Each school district has independent budgeting, hiring, and service delivery authority, and the sheer count here puts it in the extreme tail of fragmentation nationally. The fragmentation reflects historical patterns of inter-municipal boundary lines that pre-date modern city growth, students in different parts of the same city can attend different districts with different per-pupil spending, calendars, and graduation requirements. Per-region variation is largest in fragmented systems because each school district sets its own budget, contracts, and priorities without higher-level coordination above the regulatory floor.
Wilmington student-teacher ratio is 12.9:1 — low (typically associated with smaller schools or per-school staffing investment that often correlates with stronger per-student supports)
student-teacher ratio is the simplest comparative metric but it does not capture the full picture: the ratio counts FTE classroom teachers against total enrollment, push-in specialists, English-language aides, special-education co-teachers, and counselors are not included in most reporting Lower values often correlate with smaller scale and population characteristics rather than higher resource budgets per se.
Wilmington has higher-than-average charter school authorisation eligibility — 19.6% of the population qualifies for charter-school enrollment options
charter-school enrollment options eligibility is the federal threshold for charter school authorisation funding allocations, established under the state-specific charter law. Areas above 30% eligibility receive concentration grants on top of the basic charter school authorisation formula. Regions with eligibility this high typically draw a substantially larger federal funding share relative to their local tax base, which can either offset or reinforce existing gaps depending on allocation policy.
Most racially and ethnically mixed schools in Wilmington
Ranked by the Simpson student-body diversity index (0-100) from NCES race and ethnicity data, where higher means a more evenly mixed student body. It measures mix, not quality.
The highest-ranked school in Wilmington is Odyssey Charter School with a quality score of 36/100. There are 51 public schools in Wilmington with 31,306 total students.
How many schools are in Wilmington, DE? ▼
Wilmington has 51 public schools with a total enrollment of 31,306 students. 10 are charter schools. Average student-teacher ratio: 12.9:1.
Data from NCES Common Core of Data (CCD) 2024-25 and Civil Rights Data Collection (CRDC) 2021-22. Quality scores based on student-teacher ratio,
counselor access, gifted programs, and attendance. Schools must have 5+ in the city to be listed.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the NCES Common Core of Data (CCD). Consult a qualified professional before making decisions based on this data.
Read our methodology, which explains how this data is sourced, computed, and verified.
