For the 2026 school year, there are 8 private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 3,625 students in Delaware. You can also find more schools membership associations in Delaware.
The top-ranked private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware include The Independence School, Tower Hill School, and Archmere Academy.
The average acceptance rate is 73%, which is lower than the Delaware private school average acceptance rate of 86%.
38% of private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware are religiously affiliated (most commonly Catholic).
Top-Ranked Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) 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
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
Claymont, DE 19703
(302) 798-6632
Gr: 9-12 | 469 students Avg. class size: 15 students Sports: 20 | Extracurrculars: 38 Tuition listed
1300 Paper Mill Road
Newark, DE 19711
(302) 239-0332
Newark, DE 19711
(302) 239-0332
Gr: NS-8 | 470 students Avg. class size: 19 students Sports: 11 | Extracurrculars: 13 Tuition listed
St. Edmond's Academy ![St. Edmond's Academy Photo]( "St. Edmond's Academy Photo")
All-boys (Catholic)
2120 Veale Rd
Wilmington, DE 19810
(302) 475-5370
Wilmington, DE 19810
(302) 475-5370
Gr: K-8 | 162 students Avg. class size: 14 students Sports: 10 | Extracurrculars: 16 Tuition listed
1801 N Broom Street
Wilmington, DE 19802
(302) 654-2495
Wilmington, DE 19802
(302) 654-2495
Gr: 9-12 | 930 students Avg. class size: 18 students Sports: 21 | Extracurrculars: 60 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
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
Wilmington, DE 19806
(302) 575-0550
Gr: NS-12 | 849 students Avg. class size: 15 students Sports: 17 | Extracurrculars: 24 Tuition & acceptance rate listed
1400 Harvey Road
Wilmington, DE 19810
(302) 475-0555
Wilmington, DE 19810
(302) 475-0555
Gr: NS-8 | 162 students Avg. class size: 13 students Sports: 2 | Extracurrculars: 13 Tuition listed
Recent Articles
How Private Schools Handle Mid-Year Enrollment Changes and Tuition Refunds
Learn how private schools manage mid-year withdrawals, transfers, tuition refunds, enrollment contracts, and what families should expect financially.
Is Paying More Worth It? Mid-Tuition vs. Premium Private Schools
Compare academic outcomes, college admissions, class sizes, and value between mid-tuition and premium private schools to determine whether higher tuition delivers better results.
Financial Aid Appeals: When Should You Ask a Private School to Reconsider an Award?
Learn when and how to appeal a private school financial aid award, what documents to provide, and strategies that improve your chances of success.
