Private School Review - Established 2003
Wilmington Friends School Top 3 · Highest Avg. ACT Score (DE)
Sanford School Top 4 · Most AP Courses (DE)
Tower Hill School Top 3 · Highest Avg. SAT Score (DE)

Best Delaware Private High Schools Belonging to Pennsylvania Association of Independent Schools (PAIS) (2026-27)

For the 2026-27 school year, there are 3 private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) serving 2,261 students in Delaware. You can also find more schools membership associations in Delaware.
The top ranked private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware include Wilmington Friends School, Tower Hill School, and Sanford School.
The average acceptance rate is 77%, which is lower than the Delaware private high school average acceptance rate of 85%.
33% of private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware are religiously affiliated (most commonly Friends).

Quick Facts (2026-27)

  • # Private Schools: 3

Quick Facts (2026-27)

  • # Private Schools: 3

Top Ranked Private High Schools Belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware (2026-27)

Wilmington Friends School Photo
Wilmington Friends School
Gr: NS-12 | 709 students
Avg. class size: 12 students
Sports: 14 | Extracurriculars: 39
Friends
101 School Road
Wilmington, DE 19803
(302) 576-2900
(1)
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Sanford School Photo
Sanford School
Gr: NS-12 | 703 students
Avg. class size: 13 students
Sports: 16
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
(2)
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Tower Hill School Photo
Tower Hill School
Gr: NS-12 | 849 students
Avg. class size: 15 students
Sports: 17 | Extracurriculars: 24
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
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Frequently Asked Questions

What are the top ranked private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware?
The top ranked private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware include Wilmington Friends School, Tower Hill School, and Sanford School.
How many private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) are located in Delaware?
3 private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) are located in Delaware.
What percentage of private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) are religiously affiliated in Delaware?
33% of private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware are religiously affiliated (most commonly Friends).
3
Private Schools
2,261
Students
$37,900
Avg. Tuition
32%
Students of Color
8:1
Student-Teacher Ratio

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