The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·COLONIAL SCHOOL DISTRICT·NCES 100023000209

Penn (William) High School

713 East Basin Road, New Castle, DE 19720 · (302) 323-2800 · New Castle County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL2,069 STUDENTS
Enrollment
2,069
High
DISTRICT 613 · STATE 1,068
Student : Teacher
17.7:1
117 FTE teachers
DISTRICT 13.3:1 · STATE 16.6:1
Free / Reduced Lunch
,
Title I proxy
Community
2
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade
Grade 9
711
Grade 10
473
Grade 11
476
Grade 12
409
Student demographics
White
44321%
DISTRICT 22% · STATE 38%
Hispanic
48323%
DISTRICT 24% · STATE 20%
Black
1,03050%
DISTRICT 46% · STATE 31%
Asian
342%
DISTRICT 2% · STATE 4%
Two+
673%
DISTRICT 5% · STATE 6%
Native American
90%
DISTRICT 0% · STATE 0%
Pacific Islander
30%
DISTRICT 0% · STATE 0%
Student head counts by race/ethnicity from federal NCES enrollment data. Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
1,10653%
Female
96347%

Discussions

+ POST

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
2,069
-1 (0%) vs 2017
Student : Teacher
17.7:1
was 16.6:1
% White
21%
was 25%
% Hispanic
23%
was 23%
% Black
50%
was 47%
% Asian
2%
was 3%
Source: NCES Common Core of Data

About Penn (William) High School

Located at 713 East Basin Road, in New Castle, Delaware, Penn (William) High School is a high-enrollment four-year high school that caters to 2,069 students (grades 9 through 12), operated by Colonial School District. By comparison, Delaware's public schools average about 1,068 students each, so Penn (William) High School sits 94% above that benchmark.

Penn (William) High School is one of 14 schools operated by Colonial School District, a district that serves 8,575 students overall.

In terms of who attends, Penn (William) High School shows that the largest single group is Black at 50%, but no single group is in the majority; the rest is composed of 23% Hispanic, 21% White, 3% multiracial. The wider county runs roughly 26% Black, putting the school's mix noticeably more Black than the area baseline.

Looking at school resources, Staff filings list 117 full-time-equivalent teachers, which works out to roughly 17.7:1 students per teacher. That figure is higher than the state norm's 16.6:1 average.

Around the school, census data for New Castle County shows median household income runs about $91,166, about 40% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. Across New Castle County's 129 public schools (combined enrollment of about 78,534 students), Penn (William) High School is one campus in the mix.

Nearest neighbor: Downie (Carrie) Elementary School, around 0.5 miles off. Within five miles, there are 8 other public schools.

The campus sits in an outer-ring setting.

Over the past 7-year window. Penn (William) High School's enrollment has changed only slightly since 2018, when it stood at 2,070 (now 2,069). Class-load math has rose: from 16.6:1 in 2018 to 17.7:1 in 2025.

On the community side, posts here usually surface around fundraisers, lost-and-found posts, and report-card season. Contributors range from current parents to recent graduates and teachers.

New Castle County at a glance

View full county profile
Population
577,961
Census ACS
Median income
$91,166
Household, ACS
Bachelor's+
40%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
129
78,534 students

Quick facts

School name
Penn (William) High School
District
Colonial School District
Address
713 East Basin Road, New Castle, DE 19720
Phone
(302) 323-2800
County
New Castle County
Level
High
Grade range
09–12
Total enrollment
2,069
Teachers (FTE)
117
Student–teacher ratio
17.7:1
Locale
21-Suburb: Large
NCES ID
100023000209
Charter school
No
Virtual school
No

Related schools

Other schools in Colonial School District
Other schools in New Castle
Nearby schools

Frequently asked questions

About Penn (William) High School
What is the total enrollment at Penn (William) High School?
Penn (William) High School enrolls approximately 2,069 students in grades 09-12.
What grades does Penn (William) High School serve?
Penn (William) High School serves grades 09-12.
What is the student-teacher ratio at Penn (William) High School?
The student-to-teacher ratio at Penn (William) High School is approximately 17.7:1 (117 FTE teachers).
What is the racial breakdown of students at Penn (William) High School?
At Penn (William) High School, the student body is approximately 21% White, 23% Hispanic, 50% Black, 2% Asian, 3% Two or more.
What district is Penn (William) High School in?
Penn (William) High School is part of Colonial School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post