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.

Oldest Private High Schools in Delaware

The average private high school in Delaware was founded around 1959 (2024-25).
The oldest private high school in Delaware is Wilmington Friends School, founded in 1748.
Year Founded Range: 1748 2018 Avg. Year Founded: 1959

Oldest Private High Schools in Delaware (2024-25)

School
Founding Date
Grades
Location
Rank: #11.
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)
Founding Date: 1748
Grades: NS-12
101 School Road
Wilmington, DE 19803
(302) 576-2900
Rank: #22.
Salesianum School
Salesianum School Photo
All-boys (Catholic)
(1)
Founding Date: 1903
Grades: 9-12
1801 N Broom Street
Wilmington, DE 19802
(302) 654-2495
Rank: #33.
St. Elizabeth School
St. Elizabeth School Photo
(Catholic)
Founding Date: 1908
Grades: PK-12
1500 Cedar St
Wilmington, DE 19805
(302) 656-3369
Rank: #44.
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.
Founding Date: 1919
Grades: NS-12
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
Rank: #55.
Greenwood Mennonite School
(Mennonite)
Founding Date: 1928
Grades: PK-12
12802 Mennonite School Road
Greenwood, DE 19950
(302) 349-4131
Rank: #6 - 76. - 7.
Sanford School
Sanford School Photo
(2)
Founding Date: 1930
Grades: NS-12
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Rank: #6 - 76. - 7.
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)
Founding Date: 1930
Grades: NS-12
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
Rank: #88.
Archmere Academy
Archmere Academy Photo
(Catholic)
(7)
Founding Date: 1932
Grades: 9-12
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
Rank: #99.
Wilmington Christian School
Wilmington Christian School Photo
(Christian)
Founding Date: 1948
Grades: PK-12
825 Loveville Rd
Hockessin, DE 19707
(302) 239-2121
Rank: #1010.
St. Mark's High School
St. Mark's High School Photo
(Catholic)
(10)
Founding Date: 1969
Grades: 9-12
2501 Pike Creek Road
Wilmington, DE 19808
(302) 757-8704
Rank: #1111.
Capitol Baptist School
(Baptist)
Founding Date: 1971
Grades: K-12
401 Kesselring Ave
Dover, DE 19904
(302) 678-9190
Rank: #1212.
Fairwinds Christian School
Fairwinds Christian School Photo
(Baptist)
(1)
Founding Date: 1972
Grades: PK-12
801 Seymour Rd
Bear, DE 19701
(302) 328-7404
Rank: #13 - 1413. - 14.
Centreville Layton School
Centreville Layton School Photo - Beautiful campus
Alternative School
Founding Date: 1974
Grades: K-12
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
Rank: #13 - 1413. - 14.
Towle Institute
Alternative School (Christian)
Founding Date: 1974
Grades: 4-12
199 Polly Drummond Hill Road
Newark, DE 19711
(302) 993-1408
Rank: #1515.
Milford Christian School
(Christian)
Founding Date: 1975
Grades: PK-12
6062 Old Shawnee Rd
Milford, DE 19963
(302) 422-4263
Rank: #1616.
Concord Christian Academy
Concord Christian Academy Photo - Concord Christian Academy
(Baptist)
(10)
Founding Date: 1976
Grades: PK-12
2510 Marsh Road
Wilmington, DE 19810
(302) 475-3247
Rank: #1717.
Red Lion Christian Academy
Red Lion Christian Academy Photo - ELEMENTARY PLAYGROUND
(Christian)
Founding Date: 1980
Grades: K-12
1390 Red Lion Road
Bear, DE 19701
(302) 834-5020
Rank: #1818.
Calvary Christian Academy
(Assembly of God)
Founding Date: 1985
Grades: PK-12
1143 E Lebanon Road
Dover, DE 19901
(302) 697-7860
Rank: #1919.
Augustine Hills School
Special Education School
Founding Date: 1990
Grades: 6-12
6 Stone Hill Rd
Wilmington, DE 19803
(302) 594-0754
Rank: #2020.
Towle Institute
(Christian)
Founding Date: 1993
Grades: 6-12
1512 Brackenville Rd.
Hockessin, DE 19707
(302) 993-1408
Rank: #2121.
Aquinas Academy
Aquinas Academy Photo
(Catholic)
Founding Date: 1997
Grades: PK-12
2370 Red Lion Rd
Bear, DE 19701
(302) 838-9601
Rank: #2222.
Glasgow Christian Academy
Alternative School (Presbyterian)
Founding Date: 2000
Grades: NS-12
2880 Summit Bridge Rd
Bear, DE 19701
(302) 392-1090
Rank: #2323.
Founding Date: 2003
Grades: 9-12
21777 Sussex Pines Road
Georgetown, DE 19947
(302) 856-4040
Rank: #2424.
Harvest Christain Academy, Wilmington
(Christian)
Founding Date: 2006
Grades: PK-12
2205 Lancaster Ave
Wilmington, DE 19805
(302) 276-7581
Rank: #2525.
Traveling TutorZ Innovative Learning Center
Traveling TutorZ Innovative Learning Center Photo - Our hearts!
Alternative School
(9)
Founding Date: 2016
Grades: K-12
38223 DuPont Blvd
Selbyville, DE 19975
(302) 245-2870
Rank: #2626.
Destiny Calling Academy
Destiny Calling Academy Photo - Something unique that DCA offers is In-School tutoring. The goal is to help them reach grade-level expectations in their core classes.
(Christian)
(4)
Founding Date: 2018
Grades: K-12
5810-C Kirkwood Highway
Wilmington, DE 19808
(800) 677-7904

Frequently Asked Questions

What is the Delaware average private high schools founding year?
The Delaware average private high schools founding year is 1959 for 2024-25.
What are the private high schools with oldest founding year in Delaware?
The top ranked private high schools in Delaware include Wilmington Friends School, Salesianum School and St. Elizabeth School.

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