For the 2026 school year, there are 7 private high schools belonging to Delaware Association of Independent Schools serving 3,643 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 Sanford School, The Tatnall School, and St. Elizabeth School.
The average acceptance rate is 75%, which is lower 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 (2026)
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 | 707 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 | 703 students Avg. class size: 13 students Sports: 16 Tuition 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
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