Archmere Academy Photo

Top 5 Best Delaware Private High Schools Belonging to National Association of Independent Schools (NAIS) (2024-25)

For the 2024-25 school year, there are 8 private high schools belonging to National Association of Independent Schools (NAIS) serving 4,347 students in Delaware. You can also find more schools membership associations in Delaware.
The top ranked private high schools belonging to National Association of Independent Schools (NAIS) in Delaware include Tower Hill School, Archmere Academy, and Wilmington Friends School.
The average acceptance rate is 77%, which is lower than the Delaware private high school average acceptance rate of 90%.
50% of private high schools belonging to National Association of Independent Schools (NAIS) in Delaware are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private High Schools Belonging to National Association of Independent Schools (NAIS) in Delaware (2024-25)

School
Location
Grades
Students
Wilmington Friends School
Wilmington Friends School Photo - Technology, including the one-to-one program for all students preschool - 12th grade, supports collaborative learning at Friends. The point is not the hardware but what it makes possible in teaching and engaging students in 21st century skills.
(Friends)
(1)
101 School Road
Wilmington, DE 19803
(302) 576-2900
Grades: NS-12
| 687 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
St. Andrew's School
(Episcopal)
350 Noxontown Rd
Middletown, DE 19709
(302) 378-7120
Grades: 9-12
| 316 students
St. Mark's High School
St. Mark's High School Photo
(Catholic)
(10)
2501 Pike Creek Road
Wilmington, DE 19808
(302) 757-8704
Grades: 9-12
| 716 students
Sanford School
Sanford School Photo
(2)
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Grades: NS-12
| 685 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

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