14 public K-12 schools in New Castle from NCES Common Core of Data: enrollment, grade span, demographics, and Civil Rights Data Collection statistics for every active campus.
14 public schools ranked by quality score. NCES CCD 2024-25 data.
The highest-ranked of New Castle's 14 public schools is Penn (William) High School, scoring 37/100, against a city average of 31.6/100. Computed live across every New Castle campus reporting to NCES.
How the New Castle Public-School Landscape Breaks Down
New Castle, DE enrolls 8,311 students across 14 public schools reporting to the National Center for Education Statistics. Of those, 1 are charter schools, giving families genuine alternatives to the traditional neighbourhood assignment model. The average student-teacher ratio across the city is 12.5:1, and the composite quality score, derived from student-teacher ratio, counselor access, gifted-program availability, and CRDC attendance data, averages 31.6/100. 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 New Castle on this index is Penn (William) High School, at 37/100 on the Resource Investment Index with 2,069 enrolled students. What the index does and doesn't measure; click any school below for its full component breakdown.
New Castle spans 2 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.
Penn (William) High School accounts for 24.9% of all New Castle public-school enrollment
That concentration means New Castle-wide averages can mask substantial variation outside the dominant entity. Grade level: High. A dominant campus often anchors a city's program landscape and absorbs a disproportionate share of district capital and staffing decisions. When one entity dominates a region's footprint, its programmatic and budget decisions effectively set policy for a majority of the affected population.
New Castle school enrollment varies 22× across entities
New Castle school enrollment ranges from 95 students (lowest) to 2,069 students (highest), a spread of 1,974 students. That spread is wider than typical and predicts noticeable gaps in service quality between the highest and lowest areas. 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.
New Castle student-teacher ratio is 12.5:1 — 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.
Most racially and ethnically mixed schools in New Castle
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 New Castle is Penn (William) High School with a quality score of 37/100. There are 14 public schools in New Castle with 8,311 total students.
How many schools are in New Castle, DE? ▼
New Castle has 14 public schools with a total enrollment of 8,311 students. 1 are charter schools. Average student-teacher ratio: 12.5:1.
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.
