For the 2025-26 school year, there are 7 private high schools belonging to Delaware Association of Independent Schools serving 3,594 students in Delaware. You can also find more schools membership associations in Delaware.
The top ranked private high schools belonging to Delaware Association of Independent Schools in Delaware include Archmere Academy, St. Elizabeth School, and The Tatnall School.
The average acceptance rate is 88%, which is higher than the Delaware private high school average acceptance rate of 87%.
Top Ranked Private High Schools Belonging to Delaware Association of Independent Schools in Delaware (2025-26)
School
Location
Quick Facts
Centreville Layton School![Centreville Layton School Photo - Beautiful campus Centreville Layton School Photo - Beautiful campus]()

Alternative School
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
Wilmington, DE 19807
(302) 571-0230
Gr: K-12 | 97 students Avg. class size: 8 students Sports: 6 Tuition & acceptance rate listed
101 School Road
Wilmington, DE 19803
(302) 576-2900
Wilmington, DE 19803
(302) 576-2900
Gr: NS-12 | 690 students Avg. class size: 12 students Sports: 14 | Extracurrculars: 39 Tuition listed
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
Claymont, DE 19703
(302) 798-6632
Gr: 9-12 | 501 students Avg. class size: 15 students Sports: 20 | Extracurrculars: 38 Tuition listed
St. Elizabeth School![St. Elizabeth School Photo St. Elizabeth School Photo]()

(Catholic)
1500 Cedar St
Wilmington, DE 19805
(302) 656-3369
Wilmington, DE 19805
(302) 656-3369
Gr: PK-12 | 433 students Avg. class size: 20 students Sports: 14 Tuition listed
2501 Pike Creek Road
Wilmington, DE 19808
(302) 757-8721
Wilmington, DE 19808
(302) 757-8721
Gr: 9-12 | 716 students Avg. class size: 20 students Sports: 17 | Extracurrculars: 34 Tuition listed
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Hockessin, DE 19707
(302) 235-6503
Gr: NS-12 | 685 students Avg. class size: 13 students Sports: 14 | Extracurrculars: 9 Tuition & acceptance rate listed
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
Wilmington, DE 19807
(302) 892-4296
Gr: NS-12 | 486 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 9 Tuition listed
Recent Articles

What’s a Private School? 2025 Guide for Parents
Explore what defines a private school in 2025—costs, diversity, programs, and admissions insights for families choosing the right education.

Starting a Private School: 2025 Guide
Discover how to start a private school in 2025, from legal requirements to tuition planning, accreditation, and real-world success stories.

Technology in Private Schools: 2025 Insights
Explore how private schools use technology in 2025—from AI learning tools to balanced digital practices shaping future-ready students.