Best Public High Schools in 19720 (New Castle, DE) (2026)

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Best 19720 Delaware Public High Schools (2026)

For the 2026 school year, there are 2 public high schools serving 2,163 students in 19720, DE.

The top-ranked public high schools in 19720, DE are Leach (John G.) School and Penn (William) High School. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.

Public high schools in zipcode 19720 have an score of 13% (versus the Delaware public high school average of 33%), and score of 32% (versus the 52% statewide average). High schools in 19720, DE have an average ranking of 2/10, which is in the bottom 50% of Delaware public high schools.

Public high school in zipcode 19720 have a of 84%, which is less than the Delaware average of 89%.

The school with highest graduation rate is Penn (William) High School, with 84% graduation rate. Read more about public school graduation rate statistics in Delaware or national school graduation rate statistics.

Minority enrollment is 76% of the student body (majority Black), which is more than the Delaware public high school average of 60% (majority Black).

Best 19720, DE Public High Schools (2026)

School
(Math and Reading Proficiency)

Location

Quick Facts

Rank: #11.

Leach (John G.) School

Special Education School

(Math: <50% | Reading: <50%)
:

Top 20%

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10 Landers Lane
New Castle, DE 19720
(302) 429-4055

Gr: PK-12 | 86 students Student-teacher ratio: 5:1 Minority enrollment: 66%

Rank: #22.

Penn (William) High School

(Math: 11% | Reading: 32%)
:

Bottom 50%

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713 East Basin Road
New Castle, DE 19720
(302) 323-2800

Gr: 9-12 | 2,077 students Student-teacher ratio: 17:1 Minority enrollment: 76%

[+] Show Closed Public Schools in 19720 Delaware

19720, Delaware Public Schools (Closed)

School

Location

Quick Facts

Baylor Womens Correctional Institution (Closed 2010)

Alternative School

660 Baylor Boulevard
New Castle, DE 19720
(302) 577-3004

Gr: Inquire with school

Calvin R. Mccullough Elementary School (Closed 2008)

29 Chase Avenue
New Castle, DE 19720
(302) 429-4000

Gr: PK-5 | 882 students Student-teacher ratio: 14:1 Minority enrollment: 78%

Delaware Academy Of Public Safety And Security (Closed 2011)

801 North Dupont Highway
New Castle, DE 19720
(302) 322-6050

Gr: 9-12 | 228 students Student-teacher ratio: 15:1 Minority enrollment: 69%

Delaware Stem Academy (Closed 2016)

109 Lukens Drive
New Castle, DE 19720
(302) 993-6993

Multiple Alternative Program High School (Closed 2010)

Alternative School

626 Wilmington Road
New Castle, DE 19720
(302) 322-1718

Gr: 9-12 | 72 students Minority enrollment: 56%

New Castle Middle School (Closed 2008)

903 Delaware Street
New Castle, DE 19720
(302) 323-2880

Gr: 6-8 | 557 students Student-teacher ratio: 19:1 Minority enrollment: 62%

New Castle School (Colonial Ilc) (Closed 2014)

Special Education School

903 Delaware St
New Castle, DE 19720
(302) 323-2880

Northeast Treatment Center (Closed 2011)

287 Christiana Rd
New Castle, DE 19720
(302) 325-6508

Gr: 1-12

Pencader Business And Finance Charter High School (Closed 2014)

Charter School

170 Lukens Dr
New Castle, DE 19720
(302) 573-7760

Gr: 9-12 | 411 students Student-teacher ratio: 9:1 Minority enrollment: 80%

Reach Academy For Girls (Closed 2018)

170 Lukens Drive
New Castle, DE 19720
(302) 654-3720

Gr: K-8

Frequently Asked Questions

What are the top-ranked public high schools in 19720, DE?

The top-ranked public high schools in 19720, DE include Leach (John G.) School and Penn (William) High School.

How many public high schools are located in 19720?

2 public high schools are located in 19720.

What is the racial composition of students in 19720?

19720 public high schools minority enrollment is 76% of the student body (majority Black), which is more than the Delaware public high schools average of 60% (majority Black).