The average private high school in Delaware was founded around 1959 (2025).
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 (2025)
School
Founding Date
Grades
Location
Rank: #11.
Founding Date: 1748
Grades: NS-12
101 School Road
Wilmington, DE 19803
(302) 576-2900
Wilmington, DE 19803
(302) 576-2900
Rank: #22.
Founding Date: 1903
Grades: 9-12
1801 N Broom Street
Wilmington, DE 19802
(302) 654-2495
Wilmington, DE 19802
(302) 654-2495
Rank: #33.
St. Elizabeth School![St. Elizabeth School Photo]( "St. Elizabeth School Photo")
(Catholic)
Founding Date: 1908
Grades: PK-12
1500 Cedar St
Wilmington, DE 19805
(302) 656-3369
Wilmington, DE 19805
(302) 656-3369
Rank: #44.
Founding Date: 1919
Grades: NS-12
2813 W 17th Street
Wilmington, DE 19806
(302) 575-0550
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
Greenwood, DE 19950
(302) 349-4131
Rank: #6 - 76. - 7.
Founding Date: 1930
Grades: NS-12
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
Hockessin, DE 19707
(302) 235-6503
Rank: #6 - 76. - 7.
Founding Date: 1930
Grades: NS-12
1501 Barley Mill Road
Wilmington, DE 19807
(302) 892-4296
Wilmington, DE 19807
(302) 892-4296
Rank: #88.
Founding Date: 1932
Grades: 9-12
3600 Philadelphia Pike
Claymont, DE 19703
(302) 798-6632
Claymont, DE 19703
(302) 798-6632
Rank: #99.
Wilmington Christian School![Wilmington Christian School Photo]( "Wilmington Christian School Photo")
(Christian)
Founding Date: 1948
Grades: PK-12
825 Loveville Rd
Hockessin, DE 19707
(302) 239-2121
Hockessin, DE 19707
(302) 239-2121
Rank: #1010.
Founding Date: 1969
Grades: 9-12
2501 Pike Creek Road
Wilmington, DE 19808
(302) 757-8704
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
Dover, DE 19904
(302) 678-9190
Rank: #1212.
Founding Date: 1972
Grades: PK-12
801 Seymour Rd
Bear, DE 19701
(302) 328-7404
Bear, DE 19701
(302) 328-7404
Rank: #13 - 1413. - 14.
Centreville Layton School![Centreville Layton School Photo - Beautiful campus]( "Centreville Layton School Photo - Beautiful campus")
Alternative School
Founding Date: 1974
Grades: K-12
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
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
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
Milford, DE 19963
(302) 422-4263
Rank: #1616.
Founding Date: 1976
Grades: PK-12
2510 Marsh Road
Wilmington, DE 19810
(302) 475-3247
Wilmington, DE 19810
(302) 475-3247
Rank: #1717.
Red Lion Christian Academy![Red Lion Christian Academy Photo - ELEMENTARY PLAYGROUND]( "Red Lion Christian Academy Photo - ELEMENTARY PLAYGROUND")
(Christian)
Founding Date: 1980
Grades: K-12
1390 Red Lion Road
Bear, DE 19701
(302) 834-5020
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
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
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
Hockessin, DE 19707
(302) 993-1408
Rank: #2121.
Aquinas Academy![Aquinas Academy Photo]( "Aquinas Academy Photo")
(Catholic)
Founding Date: 1997
Grades: PK-12
2370 Red Lion Rd
Bear, DE 19701
(302) 838-9601
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
Bear, DE 19701
(302) 392-1090
Rank: #2323.
Founding Date: 2003
Grades: 9-12
21777 Sussex Pines Road
Georgetown, DE 19947
(302) 856-4040
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
Wilmington, DE 19805
(302) 276-7581
Rank: #2525.
Founding Date: 2016
Grades: K-12
38223 DuPont Blvd
Selbyville, DE 19975
(302) 245-2870
Selbyville, DE 19975
(302) 245-2870
Rank: #2626.
Founding Date: 2018
Grades: K-12
5810-C Kirkwood Highway
Wilmington, DE 19808
(800) 677-7904
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 2025.
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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