Salesianum School Photo

Top 5 Best Delaware Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2025)

For the 2025 school year, there are 8 private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) serving 3,630 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 Tower Hill School, Archmere Academy, and Salesianum School.
The average acceptance rate is 77%, which is lower than the Delaware private school average acceptance rate of 91%.
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 (2025)

School
Location
Grades
Students
Centreville Layton School
Centreville Layton School Photo - Beautiful campus
Alternative School
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
Grades: K-12
| 83 students
Archmere Academy
Archmere Academy Photo
(Catholic)
(7)
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
Grades: 9-12
| 514 students
The Independence School
The Independence School Photo
(2)
1300 Paper Mill Road
Newark, DE 19711
(302) 239-0332
Grades: NS-8
| 433 students
St. Edmond's Academy
St. Edmond's Academy Photo
All-boys (Catholic)
2120 Veale Rd
Wilmington, DE 19810
(302) 475-5370
Grades: PK-8
| 162 students
Salesianum School
Salesianum School Photo
All-boys (Catholic)
(1)
1801 N Broom Street
Wilmington, DE 19802
(302) 654-2495
Grades: 9-12
| 930 students
The Tatnall School
The Tatnall School Photo - Tatnall's 110-acre campus is located just west of Wilmington in Greenville, Delaware. Housing a National Wildlife Federation-accredited schoolyard habitat, five outdoor classrooms and bordering the Downs Nature Conservancy, the spacious campus provides expansive playing fields and opportunities for outdoor environmental study.
(13)
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
Grades: NS-12
| 486 students
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
Grades: NS-12
| 860 students
Wilmington Montessori School
Wilmington Montessori School Photo - Primary (3- to 6-year-old) Program - Preschool and Kindergarten - Students work together to create the Montessori Pink Tower.
Montessori School
(1)
1400 Harvey Road
Wilmington, DE 19810
(302) 475-0555
Grades: NS-8
| 162 students

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