Private School Review - Established 2003
Centreville Layton School Top 3 · Lowest Acceptance Rate (DE)
Wilmington Friends School Top 3 · Highest Avg. ACT Score (DE)
Sanford School Top 3 · Largest Endowment (DE)

Delaware Private High Schools Belonging to Delaware Association of Independent Schools (DAIS)

For the 2026-27 school year, there are 7 private high schools belonging to Delaware Association of Independent Schools (DAIS) serving 3,601 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 (DAIS) in Delaware include St. Elizabeth School, The Tatnall School, and Archmere Academy.
The average acceptance rate is 75%, which is lower than the Delaware private high school average acceptance rate of 86%.
57% of private high schools belonging to Delaware Association of Independent Schools (DAIS) in Delaware are religiously affiliated (most commonly Catholic and Friends).

Quick Facts (26-27)

  • # Private Schools: 7

Quick Facts (26-27)

  • # Private Schools: 7

Top Ranked Private High Schools Belonging to Delaware Association of Independent Schools (DAIS) 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
View Profile
Wilmington Friends School Photo
Wilmington Friends School
Gr: NS-12 | 709 students
Avg. class size: 12 students
Sports: 14 | Extracurriculars: 39
Friends
101 School Road
Wilmington, DE 19803
(302) 576-2900
(1)
View Profile
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)
View Profile
St. Elizabeth School Photo
St. Elizabeth School
Gr: PK-12 | 433 students
Avg. class size: 23 students
Sports: 14
Catholic
1500 Cedar St
Wilmington, DE 19805
(302) 656-3369
View Profile
Saint Mark's High School Photo
Saint Mark's High School
Gr: 9-12 | 716 students
Avg. class size: 20 students
Sports: 17 | Extracurriculars: 34
Catholic
2501 Pike Creek Road
Wilmington, DE 19808
(302) 757-8721
(10)
View Profile
Sanford School Photo
Sanford School
Gr: NS-12 | 691 students
Avg. class size: 13 students
Sports: 16
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
(2)
View Profile
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)
View Profile

Frequently Asked Questions

What are the top ranked private high schools belonging to Delaware Association of Independent Schools (DAIS) in Delaware?
The top ranked private high schools belonging to Delaware Association of Independent Schools (DAIS) in Delaware include St. Elizabeth School, The Tatnall School, and Archmere Academy.
How many private high schools belonging to Delaware Association of Independent Schools (DAIS) are located in Delaware?
7 private high schools belonging to Delaware Association of Independent Schools (DAIS) are located in Delaware.
How diverse are private high schools belonging to Delaware Association of Independent Schools (DAIS) in Delaware?
Delaware private high schools belonging to Delaware Association of Independent Schools (DAIS) are approximately 23% minority students, which is lower than the Delaware private school average of 26%.
What percentage of private high schools belonging to Delaware Association of Independent Schools (DAIS) are religiously affiliated in Delaware?
57% of private high schools belonging to Delaware Association of Independent Schools (DAIS) in Delaware are religiously affiliated (most commonly Catholic and Friends).
7
Private Schools
3,601
Students
$30,278
Avg. Tuition
23%
Students of Color
9:1
Student-Teacher Ratio

Recent Articles

Private School Tuition Insurance: Is It Worth Buying?
Private School Tuition Insurance: Is It Worth Buying?
Is private school tuition insurance worth buying? Learn what policies cover, compare costs and exclusions, and decide whether protecting your tuition investment makes financial sense for your family.
Medical Leave and Private School Tuition: Parent Guide
Medical Leave and Private School Tuition: Parent Guide
What happens to private school tuition during medical leave? Learn about refunds, tuition insurance, enrollment contracts, financial aid, and protecting your child's education while managing unexpected medical expenses and recovery.
Private School Commute: Is the Travel Time Worth It?
Private School Commute: Is the Travel Time Worth It?
Is the commute to private school worth it? Learn how to calculate travel time, protect family routines, assess student well-being, and decide whether a longer journey makes educational sense.

Quick Links

SCHOOL SEARCH TOOLS:
SCHOOL BY TYPE (DE):
OPEN-HOUSES & JOBS:
PUBLIC & BOARDING SCHOOLS:
PRIVATE SCHOOL DATA:

Most Popular Articles

What's In A Grade?
What's In A Grade?
 Enrollment Trends 2026: Private School Admissions Outlook
Enrollment Trends 2026: Private School Admissions Outlook
School Rankings by Category
School Rankings by Category

More Articles

High School
Choosing a Private School
COVID-19
Why Private School
Pre-school