For the 2026 school year, there are 136 private schools serving 22,174 students in Delaware (there are 237 public schools, serving 142,156 students). 13% of all K-12 students in Delaware attend private schools (compared to the national average of 10%).
The average private school tuition is $13,769 for elementary schools and $19,113 for high schools (view national tuition averages).
The top-ranked private schools in Delaware include Sanford School, Tower Hill School, and Archmere Academy.
The average acceptance rate is 87% (view national acceptance rates). Minority enrollment is 27% and the student-teacher ratio is 10:1.
Overview
This State (DE)
US
# Schools
136 Schools
Student Body:
# Students
22,174 Students
5,698,692 Students
% Average Students of Color
27%
34%
Student By Grade
Academics and Faculty:
# Teachers
2,251 Teachers
507,989 Teachers
Average Student-Teacher Ratio
10:1
11:1
% Average Faculty w/Advanced Degree
49%
55%
Average Class Size
15 students
15 students
Average Number of AP Courses
14 courses
13 courses
Average SAT score
1241
(Out of 1600)
1234
Average ACT score
27
(Out of 36)
26
Tuition and Acceptance Rate:
Average Yearly Tuition Cost
$15,976
$14,883
Average Summer Program Cost
$1,242
$1,136
Average % on Financial Aid
37%
35%
Average Financial Aid Grant
$9,084
$7,137
Average Acceptance Rate
87%
82%
Average Endowment Size
$53.54 million
$61.95 million
Students by Ethnicity:
Diversity Score
0.58
0.65
# American Indian Students
39 Students
29,844 Students
% American Indian Students
n/a
1%
# Asian Students
853 Students
265,009 Students
% Asian Students
4%
5%
# Hispanic Students
753 Students
507,121 Students
% Hispanic Students
3%
9%
# Black Students
1,920 Students
416,612 Students
% Black Students
9%
7%
# White Students
13,016 Students
2,932,330 Students
% White Students
60%
52%
# Hawaiian Students
8 Students
20,066 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
5,262 Students
1,472,325 Students
% of Others Students
24%
26%
All Ethnic Groups
Extracurriculars and Sports:
Average Number of Extracurriculars
14 extracurriculars
9 extracurriculars
Average Number of Sports
8 sports
7 sports
Top-Ranked Delaware Private Schools by County (2026)
Popular cities: Wilmington (53 schools), Newark (23 schools), Dover (16 schools), Bear (10 schools), Hockessin (7 schools).
County
# Schools
# Students
% of K-12 Students in Private Schools
Frequently Asked Questions
What are the top-ranked private schools in Delaware?
The top-ranked private schools in Delaware include Sanford School, Tower Hill School, and Archmere Academy.
How many private schools are located in Delaware?
There are 136 private schools are located in Delaware.
How much do private schools cost in Delaware?
The average private school tuition in Delaware is $13,769 for elementary schools and $19,113 for high schools
How diverse are private schools in Delaware?
Approximately 27% of students in Delaware private schools are minority students (compared to the national percentage).
What percentage of students in Delaware go to private school?
13% of all K-12 students in Delaware attend private schools (compared to the national average of 10%).
What percentage of private schools are religiously affiliated in Delaware?
Which private schools in Delaware are often viewed compared to one another?
Popular comparisons of private schools in Delaware include: Serviam Girls Academy vs. Padua Academy, Paxson Lane KinderCare vs. Casho Mill KinderCare, Child Craft Company vs. Epworth Christian School
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