Private School Review - Established 2003
Centreville Layton School Top 4 · Lowest Acceptance Rate (DE)
St. Edmond's Academy Top 5 · Highest % Faculty w/ Adv. Degrees (DE)
Tower Hill School Top 3 · Highest Avg. SAT Score (DE)

Best Delaware Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) (2026-27)

For the 2026-27 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 Tatnall School, Salesianum School, and The Independence School.
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).

Quick Facts (2026-27)

  • # Private Schools: 8

Quick Facts (2026-27)

  • # Private Schools: 8

Top Ranked Private Schools Belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware (2026-27)

Centreville Layton School Photo
Centreville Layton School
Gr: K-12 | 97 students
Avg. class size: 8 students
Sports: 6
Alternative School
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
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Archmere Academy Photo
Archmere Academy
Gr: 9-12 | 469 students
Avg. class size: 15 students
Sports: 20 | Extracurriculars: 38
Catholic
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
(7)
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The Independence School Photo
The Independence School
Gr: NS-8 | 470 students
Avg. class size: 19 students
Sports: 11 | Extracurriculars: 13
1300 Paper Mill Road
Newark, DE 19711
(302) 239-0332
(3)
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St. Edmond's Academy Photo
St. Edmond's Academy
Gr: K-8 | 162 students
Avg. class size: 14 students
Sports: 10 | Extracurriculars: 16
All-boys (Catholic)
2120 Veale Rd
Wilmington, DE 19810
(302) 475-5370
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Salesianum School Photo
Salesianum School
Gr: 9-12 | 930 students
Avg. class size: 18 students
Sports: 21 | Extracurriculars: 60
All-boys (Catholic)
1801 N Broom Street
Wilmington, DE 19802
(302) 654-2495
(1)
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The Tatnall School Photo
The Tatnall School
Gr: NS-12 | 486 students
Avg. class size: 12 students
Sports: 15 | Extracurriculars: 9
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
(15)
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Tower Hill School Photo
Tower Hill School
Gr: NS-12 | 849 students
Avg. class size: 15 students
Sports: 17 | Extracurriculars: 24
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
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Wilmington Montessori School Photo
Wilmington Montessori School
Gr: NS-8 | 162 students
Avg. class size: 13 students
Sports: 2 | Extracurriculars: 13
Montessori School
1400 Harvey Road
Wilmington, DE 19810
(302) 475-0555
(1)
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Frequently Asked Questions

What are the top ranked private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware?
The top ranked private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware include The Tatnall School, Salesianum School, and The Independence School.
How many private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) are located in Delaware?
8 private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) are located in Delaware.
How diverse are private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware?
Delaware private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) are approximately 23% minority students, which is lower than the Delaware private school average of 27%.
What percentage of private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) are religiously affiliated in Delaware?
38% of private schools belonging to Association of Delaware Valley Independent Schools (ADVIS) in Delaware are religiously affiliated (most commonly Catholic).
8
Private Schools
3,625
Students
$28,289
Avg. Tuition
23%
Students of Color
8:1
Student-Teacher Ratio

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