Penn (William) High School
🇺🇸 Official data · 2025New Castle, Delaware 19720 · Colonial School District
#28 of 34 high schools in Delaware
#15769 of 16,910 nationally
About Penn (William) High School
Penn (William) High School is a public high located in New Castle, in the Colonial School District school district of Delaware, United States. It caters for Grades 9–12. In 2025 it enrolled 2,069 students. Traditional public schools run by a school district; free to attend.
Its Success Index (US) is 17.0 out of 100, placing it in the lower 50% of high schools in United States and 28th of 34 ranked high schools in Delaware. Its strongest component is students per teacher (29th percentile), and its weakest is math proficiency (12th percentile).
Other published figures: enrollment 2,069.
There are 13 schools in New Castle; Penn (William) High School ranks 11th of 12 scored schools there.
Success Index (US) breakdown
Each component is a percentile against high schools across United States.
- Math proficiency (30%)15%
- Reading proficiency (30%)30%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)17.7
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Penn (William) High School by the official sources.
- Enrollment
- 2,069
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 17.7
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 30%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 15%
- Share of tested students proficient or above (all students, all grades).
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Schools near Penn (William) High School
Closest schools by straight-line distance, with their Success Index (US).
Downie (Carrie) Elementary School
New Castle · Public elementary · Grades K–5
324 students · 821 m away
Read (George) Middle School
New Castle · Public middle · Grades 6–8
662 students · 926 m away
New Castle Elementary School
New Castle · Public elementary · Grades K–5
383 students · 1.3 km away
Wilmington Manor Elementary School
New Castle · Public elementary · Grades K–5
291 students · 1.7 km away
Castle Hills Elementary School
New Castle · Public elementary · Grades K–5
462 students · 2.0 km away
The Colwyck Center
New Castle · Public other · Grades PK–PK
222 students · 3.0 km away
Eisenberg (Harry O.) Elementary School
New Castle · Public elementary · Grades K–5
436 students · 3.3 km away
Pleasantville Elementary School
New Castle · Public elementary · Grades K–5
389 students · 3.5 km away
Charter School of New Castle
New Castle · Charter elementary · Grades K–8
788 students · 3.6 km away
McCullough (Calvin R. ) Middle School
New Castle · Public middle · Grades 6–8
615 students · 3.9 km away
Similar schools
Public high schools in Delaware with a comparable Enrollment.
Sussex Central High School
Georgetown · Public high · Grades 9–12
2,012 students
Cape Henlopen High School
Lewes · Public high · Grades 9–12
1,889 students
Caesar Rodney High School
Camden · Public high · Grades 9–12
2,254 students
Dover High School
Dover · Public high · Grades 9–12
1,812 students
Smyrna High School
Smyrna · Public high · Grades 9–12
1,777 students
Christiana High School
Newark · Public high · Grades 6–12
1,425 students
Frequently asked questions
Is Penn (William) High School a good school?
Penn (William) High School has a Success Index (US) of 17.0 out of 100 (Lower 50% of high schools in United States) and ranks #28 of 34 in Delaware. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Penn (William) High School rank in Delaware?
Penn (William) High School ranks #28 of 34 high schools in Delaware and #15769 of 16,910 nationally on the Success Index (US) (2025 data).
How many students attend Penn (William) High School?
Penn (William) High School had 2,069 students in 2025.
Is Penn (William) High School a elementary school or a high school?
Penn (William) High School is classified as a high covering Grades 9–12. It is a public school.
What other schools are near Penn (William) High School?
There are 10 schools within 15 km of Penn (William) High School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.