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Penn (William) High School

713 East Basin Road, New Castle, DE 19720

DSchola Grade
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Grades
9–12
High
Students
2,069
Enrolled 2024–25
Students per teacher
17.7 : 1
Full-time teachers
District
Colonial School District
New Castle County

Schola Grade D · Below average

Letter grade (A–F) · compared with 39 Delaware high schools · How we grade
Test scores22% proficient in math & reading
28thpercentile
Equity17% of low-income students proficient
49thpercentile
Attendance38% chronically absent
29thpercentile
Graduation rate84% graduate in 4 years
30thpercentile
College readinessAt least 13% take AP, IB or dual-enrollment courses
39thpercentile
Class size17.7 students per teacher
37thpercentile

Percentiles compare this school with other Delaware high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Penn (William) High School

Penn (William) High School is a public high school in New Castle, Delaware, serving grades 9–12. It is part of Colonial School District. The school is located in a large suburb in New Castle County.

In the 2024–25 school year, 2,069 students were enrolled, with about 17.7 students for every full-time teacher. That ratio is larger than the typical Delaware high school (15.4 students per teacher). Its Schola Grade is D (below average), compared with 39 Delaware high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

713 East Basin Road
New Castle, DE 19720
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,069 students
Students per teacher
17.7 to 1
AP courses offered
19
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Colonial School District
County
New Castle County
NCES school ID
100023000209

Schools near Penn (William) High School

All 17 schools in New Castle →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.