The Tatnall School Photo - Tatnall's 110-acre campus is located just west of Wilmington in Greenville, Delaware. Housing a National Wildlife Federation-accredited schoolyard habitat, five outdoor classrooms and bordering the Downs Nature Conservancy, the spacious campus provides expansive playing fields and opportunities for outdoor environmental study.

Best Delaware Private Schools (2025)

For the 2025 school year, there are 138 private schools serving 22,161 students in Delaware (there are 235 public schools, serving 141,842 students). 14% of all K-12 students in Delaware attend private schools (compared to the national average of 10%).
The average private school tuition is $13,585 for elementary schools and $18,107 for high schools (view national tuition averages).
The top-ranked private schools in Delaware include Archmere Academy, Salesianum School, and Tower Hill School.
The average acceptance rate is 86% (view national acceptance rates). Minority enrollment is 25% and the student:teacher ratio is 10:1.
59% of schools are religiously affiliated, with most being Catholic or Christian.

Top Ranked Delaware Private Schools by County (2025)

County
# Schools
# Students
% of K-12 Students in Private Schools
24
1,825
6%
101
18,620
19%
13
1,716
5%

Frequently Asked Questions

What are the top ranked private schools in Delaware?
The top-ranked private schools in Delaware include Archmere Academy, Salesianum School, and Tower Hill School.
How many private schools are located in Delaware?
There are 138 private schools are located in Delaware.
How much do private schools cost in Delaware?
The average private school tuition in Delaware is $13,585 for elementary schools and $18,107 for high schools
How diverse are private schools in Delaware?
Approximately 25% of students in Delaware private schools are minority students (compared to the national percentage).
What percentage of students in Delaware go to private school?
14% 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?
59% of private schools in Delaware are religiously affiliated, with most being Catholic or Christian.
Which private schools in Delaware are often viewed compared to one another?

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