For the 2025 school year, there are 2 public preschools serving 284 students in New Castle, DE.
The top ranked public preschools in New Castle, DE are Leach (John G.) School and The Colwyck Center. Overall testing rank is based on a school's combined math and reading proficiency test score ranking.
New Castle, DE public preschools have an average math proficiency score of 50% (versus the Delaware public pre school average of 17%), and reading proficiency score of 50% (versus the 22% statewide average). Pre schools in New Castle have an average ranking of 9/10, which is in the top 20% of Delaware public pre schools.
Minority enrollment is 44% of the student body (majority Black), which is less than the Delaware public preschool average of 56% (majority Black).
Best Public Preschools in New Castle, DE (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Leach (John G.) School
Special Education School
(Math: <50% | Reading: <50%)
Rank:
Rank:
9/
Top 20%10
10 Landers Lane
New Castle, DE 19720
(302) 429-4055
New Castle, DE 19720
(302) 429-4055
Grades: PK-12
| 86 students
Rank: #22.
The Colwyck Center
(Math: 60-64% | Reading: 60-64% )
Rank:
Rank:
4/
Bottom 50%10
12 Landers Lane
New Castle, DE 19720
(302) 429-4085
New Castle, DE 19720
(302) 429-4085
Grades: PK
| 198 students
New Castle, Delaware Public Schools (Closed)
School
Location
Grades
Students
Baylor Womens Correctional Institution (Closed 2010)
Alternative School
660 Baylor Boulevard
New Castle, DE 19720
(302) 577-3004
New Castle, DE 19720
(302) 577-3004
Grades: Inquire with school
| n/a students
29 Chase Avenue
New Castle, DE 19720
(302) 429-4000
New Castle, DE 19720
(302) 429-4000
Grades: PK-5
| 882 students
801 North Dupont Highway
New Castle, DE 19720
(302) 322-6050
New Castle, DE 19720
(302) 322-6050
Grades: 9-12
| 228 students
109 Lukens Drive
New Castle, DE 19720
(302) 993-6993
New Castle, DE 19720
(302) 993-6993
Grades: n/a
| n/a students
Multiple Alternative Program High School (Closed 2010)
Alternative School
626 Wilmington Road
New Castle, DE 19720
(302) 322-1718
New Castle, DE 19720
(302) 322-1718
Grades: 9-12
| 72 students
903 Delaware Street
New Castle, DE 19720
(302) 323-2880
New Castle, DE 19720
(302) 323-2880
Grades: 6-8
| 557 students
New Castle School (Colonial Ilc) (Closed 2014)
Special Education School
903 Delaware St
New Castle, DE 19720
(302) 323-2880
New Castle, DE 19720
(302) 323-2880
Grades: n/a
| n/a students
287 Christiana Rd
New Castle, DE 19720
(302) 325-6508
New Castle, DE 19720
(302) 325-6508
Grades: 1-12
| n/a students
170 Lukens Dr
New Castle, DE 19720
(302) 573-7760
New Castle, DE 19720
(302) 573-7760
Grades: 9-12
| 411 students
170 Lukens Drive
New Castle, DE 19720
(302) 654-3720
New Castle, DE 19720
(302) 654-3720
Grades: K-8
| n/a students
Frequently Asked Questions
What are the top ranked public preschools in New Castle, DE?
The top ranked public preschools in New Castle, DE include Leach (John G.) School and The Colwyck Center.
How many public preschools are located in New Castle?
2 public preschools are located in New Castle.
What is the racial composition of students in New Castle?
New Castle public preschools minority enrollment is 44% of the student body (majority Black), which is less than the Delaware public preschools average of 56% (majority Black).
Recent Articles

Sexual Harassment at Age 6: The Tale of a First Grade Suspension
A six-year old in Aurora, Colorado, was suspended after singing an LMFAO song to a little girl in his class and reportedly “shaking his booty.” We look at the case and the sexual harassment problem in public schools today.

How Scaffolding Could Change the Way Your Child Learns
This article explores the concept of instructional scaffolding, a teaching method that enhances learning by breaking down complex tasks into manageable parts. It highlights how scaffolding supports students in developing critical thinking skills and becoming more independent learners. The article discusses the benefits of scaffolding, including improved engagement and reduced anxiety, and provides strategies for its implementation across various educational levels.

February 05, 2025
Understanding the U.S. Department of Education: Structure, Impact, and EvolutionWe explore how the Department of Education shapes American education, from its cabinet-level leadership to its impact on millions of students, written for general audiences seeking clarity on this vital institution.