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²ÝÁñÉçÇø School Review - Established 2003
Delaware Valley Classical School Top 3 · Highest Avg. SAT Score (DE)
Wilmington Friends School Top 3 · Highest Avg. ACT Score (DE)
Centreville Layton School Top 3 · Lowest Acceptance Rate (DE)

Oldest ²ÝÁñÉçÇø High Schools in Delaware

The average private high school in Delaware was founded around 1960 (2026-27).
The oldest private high school in Delaware is Wilmington Friends School, founded in 1748.

Quick Facts (2026-27)

  • # DE Schools Ranked: 34
  • Top 20 Range (Year Founded): 1748–1976
  • DE School Avg.: 1960
  • National School Avg.: 1967

Quick Facts (2026-27)

  • # DE Schools Ranked: 34
  • Top 20 Range (Year Founded): 1748–1976
  • DE School Avg.: 1960
  • National School Avg.: 1967
Show school map — Delaware (year founded range: 1748–1976, avg 1960)
Year Founded Range: 1748 2016 Avg. Year Founded: 1960

Oldest ²ÝÁñÉçÇø High Schools in Delaware (2026-27)

Showing 34 schools
Wilmington Friends School Photo
#1Wilmington 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)
1748year founded
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Ursuline Academy Photo
#2Ursuline Academy
Gr: PK-12 | 441 students
Avg. class size: 14 students
Sports: 15
Catholic
1106 Pennsylvania Avenue
Wilmington, DE 19806
(302) 658-7158
(10)
1893year founded
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Salesianum School Photo
#3Salesianum 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)
1903year founded
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St. Elizabeth School Photo
#4St. Elizabeth School
Gr: PK-12 | 433 students
Avg. class size: 20 students
Sports: 14
Catholic
1500 Cedar St
Wilmington, DE 19805
(302) 656-3369
1908year founded
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Tower Hill School Photo
#5Tower 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
1919year founded
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Map of Greenwood Mennonite School
#6Greenwood Mennonite School
Gr: PK-12 | 284 students
Avg. class size: 23 students
Sports: 6
Mennonite
12802 Mennonite School Road
Greenwood, DE 19950
(302) 349-4131
1928year founded
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Map of St. Andrew's School
#7St. Andrew's School
Gr: 9-12 | 318 students
Sports: 15
Episcopal
350 Noxontown Rd
Middletown, DE 19709
(302) 285-4231
1929year founded
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Sanford School Photo
#8(°Õ8–T9)Sanford School
Gr: NS-12 | 703 students
Avg. class size: 13 students
Sports: 16
6900 Lancaster Pike
Hockessin, DE 19707
(302) 235-6503
(2)
1930year founded
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The Tatnall School Photo
#8(°Õ8–T9)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)
1930year founded
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Archmere Academy Photo
#10Archmere 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)
1932year founded
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Wilmington Christian School Photo
#11Wilmington Christian School
Gr: PK-12 | 413 students
Avg. class size: 20 students
Sports: 10
Christian
825 Loveville Rd
Hockessin, DE 19707
(302) 239-2121
(1)
1948year founded
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Map of Padua Academy
#12Padua Academy
Gr: 9-12 | 480 students
All-girls (Catholic)
905 N Broom St
Wilmington, DE 19806
(302) 421-3739
(2)
1954year founded
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Map of Christian Tabernacle Academy
#13Christian Tabernacle Academy
Gr: PK-12 | 85 students
Christian
18940 Johnson Rd
Lincoln, DE 19960
(302) 422-6471
1960year founded
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Saint Mark's High School Photo
#14Saint 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)
1969year founded
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Map of Capitol Baptist School
#15Capitol Baptist School
Gr: K-12 | 27 students
Baptist
401 Kesselring Ave
Dover, DE 19904
(302) 678-9190
1971year founded
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Fairwinds Christian School Photo
#16Fairwinds Christian School
Gr: PK-12 | 227 students
Avg. class size: 15 students
Sports: 4 | Extracurriculars: 4
Baptist
801 Seymour Rd
Bear, DE 19701
(302) 328-7404
(1)
1972year founded
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Centreville Layton School Photo
#17(°Õ17–T18)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
1974year founded
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Map of Towle Institute
#17(°Õ17–T18)Towle Institute
Gr: 4-12 | 36 students
Avg. class size: 14 students
Alternative School (Christian)
199 Polly Drummond Hill Road
Newark, DE 19711
(302) 993-1408
1974year founded
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Milford Christian School Photo
#19Milford Christian School
Gr: PK-12 | 156 students
Sports: 3
Christian
6062 Old Shawnee Rd
Milford, DE 19963
(302) 422-4263
1975year founded
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Concord Christian Academy Photo
#20Concord Christian Academy
Gr: PK-12 | 196 students
Avg. class size: 14 students
Sports: 5 | Extracurriculars: 6
Baptist
2510 Marsh Road
Wilmington, DE 19810
(302) 475-3247
(10)
1976year founded
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Map of Caravel Academy
#21Caravel Academy
Gr: PK-12 | 1,117 students
2801 Del Laws Rd
Bear, DE 19701
(302) 834-8938
1979year founded
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Red Lion Christian Academy Photo
#22Red Lion Christian Academy
Gr: NS-12 | 1,002 students
Avg. class size: 20 students
Sports: 13 | Extracurriculars: 28
Christian
1390 Red Lion Road
Bear, DE 19701
(302) 834-2526
1980year founded
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Map of Calvary Christian Academy
#23Calvary Christian Academy
Gr: PK-12 | 408 students
Avg. class size: 15 students
Sports: 8 | Extracurriculars: 9
Assembly of God
1143 E Lebanon Road
Dover, DE 19901
(302) 697-7860
1985year founded
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Map of Augustine Hills School
#24Augustine Hills School
Gr: 6-12 | 15 students
Special Education School
6 Stone Hill Rd
Wilmington, DE 19803
(302) 594-0754
(1)
1990year founded
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Map of Towle Institute
#25Towle Institute
Gr: 6-12 | 37 students
Sports: 1 | Extracurriculars: 1
Christian
1512 Brackenville Rd.
Hockessin, DE 19707
(302) 993-1408
1993year founded
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Delaware Valley Classical School Photo
#26Delaware Valley Classical School
Gr: K-12 | 227 students
Avg. class size: 18 students
Sports: 5 | Extracurriculars: 27
Christian
903 East Basin Road
New Castle, DE 19720
(302) 455-8740
(24)
1994year founded
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Map of Mt. Sophia Academy
#27Mt. Sophia Academy
Gr: K-12 | 160 students
Alternative School (Christian)
91 Salem Church Rd
Newark, DE 19713
(302) 547-2285
1996year founded
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Aquinas Academy Photo
#28Aquinas Academy
Gr: PK-12 | 91 students
Avg. class size: 12 students
Sports: 2 | Extracurriculars: 3
Catholic
2370 Red Lion Rd
Bear, DE 19701
(302) 838-9601
1997year founded
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Map of Glasgow Christian Academy
#29Glasgow Christian Academy
Gr: NS-12 | 199 students
Avg. class size: 15 students
Sports: 12 | Extracurriculars: 2
Alternative School (Presbyterian)
2880 Summit Bridge Rd
Bear, DE 19701
(302) 392-1090
2000year founded
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Map of Delmarva Christian High School
#30Delmarva Christian High School
Gr: 9-12 | 184 students
Sports: 12
21777 Sussex Pines Road
Georgetown, DE 19947
(302) 856-4040
2003year founded
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Map of High Road School Of Delaware
#31High Road School Of Delaware
Gr: 3-12 | 84 students
2002 Rodman Rd
Wilmington, DE 19805
(302) 575-1266
2004year founded
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Map of Harvest Christain Academy, Wilmington
#32Harvest Christain Academy, Wilmington
Gr: PK-12 | 199 students
Avg. class size: 10 students
Christian
2205 Lancaster Ave
Wilmington, DE 19805
(302) 276-7581
2006year founded
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Map of Urban Promise Academy
#33Urban Promise Academy
Gr: 7-11 | 22 students
2223 N Market St
Wilmington, DE 19802
(202) 679-0849
2010year founded
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Traveling TutorZ Innovative Learning Center Photo
#34Traveling TutorZ Innovative Learning Center
Gr: K-12 | 96 students
Avg. class size: 10 students
Sports: 3 | Extracurriculars: 5
Alternative School
38223 DuPont Blvd
Selbyville, DE 19975
(302) 245-2870
(9)
2016year founded
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Frequently Asked Questions

What is the Delaware average private high schools founding year?
The Delaware average private high schools founding year is 1960 for 2026-27.
What are the private high schools with oldest founding year in Delaware?
The top ranked private high schools in Delaware include Wilmington Friends School, Ursuline Academy and Salesianum School.

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