High Schools in New Castle, DE

High schools in New Castle, Delaware on a map, with rankings, graduation rates and multi-year trends.

2012–2026 data · 35,000+ schools · 491 cities · 100% free

Top ranked high schools in New Castle, 2026-27

1 high schools in New Castle are ranked in this edition, ordered by Delaware state rank.

  1. Penn (William) High School — New Castle · #37 in DE · #12,115 nationally

Ranks are from the 2026-27 U.S. News & World Report Best High Schools edition. How HighSchoolTrends uses this data.