Tower Hill School Photo - Tower Hill School resides on a 44-acre campus with state-of- the-art athletic facilities and impressive academic and arts areas.

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

For the 2026 school year, there are 3 private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) serving 2,259 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 Tower Hill School, Sanford School, and Wilmington Friends School.
The average acceptance rate is 77%, which is lower than the Delaware private high school average acceptance rate of 87%.
33% of private high schools belonging to Pennsylvania Association of Independent Schools (PAIS) in Delaware are religiously affiliated (most commonly Friends).

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

School
Location
Quick Facts
Wilmington Friends School
Wilmington Friends School Photo - Quaker education teaches students that they share in the obligation to answer what is best in themselves and in others--developing talents to the fullest, and respecting the strengths, efforts, and perspectives of all.
(Friends)
(1)
101 School Road
Wilmington, DE 19803
(302) 576-2900
Gr: NS-12 | 707 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 39 Tuition listed
Sanford School
Sanford School Photo
(2)
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Gr: NS-12 | 703 students Avg. class size: 13 students Sports: 16 Tuition listed
Tower Hill School
Tower Hill School Photo - Tower Hill School resides on a 44-acre campus with state-of- the-art athletic facilities and impressive academic and arts areas.
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
Gr: NS-12 | 849 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 24 Tuition & acceptance rate listed

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