What grades does Penn (William) High School serve?

As a High school, Penn (William) High School serves students in New Castle, DE. The school is administered by the local school district.

Where is Penn (William) High School located?

You can find Penn (William) High School in New Castle, DE.

What is the student-teacher ratio at Penn (William) High School?

At Penn (William) High School, there are approximately 17.5 students for every teacher.

What schools are in New Castle, DE?

Penn (William) High School is among the schools serving New Castle, DE. The school is part of the local school system.

DEHighCalendar available · 14 events · Auto-updating

Events confirmed from Colonial School District's official calendar.

Penn (William) High School — School Calendar 2026-27

High|New Castle, Delaware|Colonial School District

New Castle, DE 19720

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Upcoming Events

Nov

Wed

Thanksgiving BreakBreakDistrict-wide

Banks, government offices, and schools may be closed.

Dec

Thu

Christmas BreakBreakDistrict-wide

Jan

Fri

New Year's DayHolidayDistrict-wide

Banks, government offices, and schools may be closed.

Jan

Mon

MLK Jr. DayHolidayDistrict-wide

Banks, government offices, and schools may be closed.

Feb

Mon

Presidents DayHolidayDistrict-wide

Banks, government offices, and schools may be closed.

Mar

Mon

Spring BreakBreakDistrict-wide

School closed for spring break. Check camp and childcare plans.

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School Profile

Grades

9–12

Enrollment

2,077

Student:Teacher

17.5:1

Locale

Suburban

District

Colonial School District

Phone

(302)323-2800

School Statistics

Academics (SY 2020-21)

ELA Proficiency

30%

19th percentile in DE

Math Proficiency

16%

24th percentile in DE

Graduation Rate

75%

Chronic Absenteeism

29.5%

SY 2019-20

Programs & Activities (SY 2021-22)

AP Program

19 courses offered

264 students enrolled

Dual Enrollment

63 students enrolled

SAT/ACT

463 test takers

Athletics

25 sports, 25 teams

595 participants

Student-Teacher Ratio: 16.8:1

Worse than average in DE

Technology & Internet Access (SY 2021-22)

Wi-Fi

Campus-wide wireless

Fiber Internet

High-speed connection

2,271

Connected devices

Staff & Support Services (SY 2021-22)

Teachers (FTE)

123

51% fully certified

Counselors

Psychologists

Nurses

School Resource Officers

Security Staff

Anti-Bullying Policy

District Finance (FY 2023)

Per-Pupil Spending

$23,018

Total current expenditure

Instruction Spending

$12,885

Per pupil, classroom only

Total Revenue/Pupil

$24,223

All funding sources

Funding Sources

Federal 15%State 53%Local 32%

District-level data from NCES F-33 Survey

Community Context

Median Home Value

$376,063

+2.6% 1yr+34.4% 5yr

Philadelphia, PA metro area

Community Need Level

Moderate

CDC/ATSDR Social Vulnerability Index 2022

Neighborhood Indicators (Census Tract)

17.0%

Below 150% poverty line

5.5%

Unemployment rate

5.3%

Uninsured residents

7.6%

No HS diploma (25+)

Special Education (IDEA)

District-level data from IDEA Part B · Students ages 3-21 served under IDEA

Total Students Served

2,249

Ages 3-21 under IDEA

School-Age (6-21)

2,001

Receiving special ed services

Est. % of Enrollment

96%

District rate, school may vary

Disability Categories (District)

Specific Learning Disability

916 (46%)

Autism

309 (15%)

Other Health Impairment

255 (13%)

Intellectual Disability

149 (7%)

Speech/Language Impairment

91 (5%)

Emotional Disturbance

81 (4%)

Source: U.S. Department of Education, IDEA Section 618 Data · District-level counts · Individual school figures may differ

Enrollment Trend (2014-2025)

2,069

Current enrollment

Stable(-9% 5yr)

Coming Up

Wed, Nov 25, 2026

Thanksgiving Break

Banks, government offices, and schools may be closed.

Break

Thu, Dec 24, 2026

Christmas Break

Break

Fri, Jan 1, 2027

New Year's Day

Banks, government offices, and schools may be closed.

Holiday

Full School Calendar 2026-27

Events marked District-wide apply to all schools in Colonial School District. Penn (William) High School follows the district calendar.

Date	Event	Type	Level
Tue, Sep 1, 2026	Professional Development DayDistrict-wide	Staff Day	—
Fri, Sep 4, 2026	Labor Day WeekendDistrict-wide	Holiday	—
Mon, Sep 7, 2026	Labor Day HolidayDistrict-wide	Holiday	—
Wed, Nov 25, 2026	Thanksgiving BreakDistrict-wide	Break	—
Thu, Dec 24, 2026	Christmas BreakDistrict-wide	Break	—
Fri, Jan 1, 2027	New Year's DayDistrict-wide	Holiday	—
Mon, Jan 18, 2027	MLK Jr. DayDistrict-wide	Holiday	—
Mon, Feb 15, 2027	Presidents DayDistrict-wide	Holiday	—
Mon, Mar 29, 2027	Spring BreakDistrict-wide	Break	—
Mon, May 31, 2027	Memorial DayDistrict-wide	Holiday	—