Centreville Layton School Photo - Beautiful campus

Best Delaware Nonsectarian Private High Schools (2025-26)

For the 2025-26 school year, there are 8 nonsectarian private high schools in Delaware. You can also find more religiously affiliated schools in Delaware.
The top ranked nonsectarian private high schools in Delaware include Tower Hill School, The Tatnall School, and Caravel Academy.

Top Ranked Nonsectarian Private High Schools in Delaware (2025-26)

School
Location
Quick Facts
Centreville Layton School
Centreville Layton School Photo - Beautiful campus
Alternative School
6201 Kennett Pike
Wilmington, DE 19807
(302) 571-0230
Gr: K-12 | 97 students Avg. class size: 8 students Sports: 6 Tuition & acceptance rate listed
Augustine Hills School
Special Education School
6 Stone Hill Rd
Wilmington, DE 19803
(302) 594-0754
Gr: 6-12 | 15 students Tuition listed
Caravel Academy
2801 Del Laws Rd
Bear, DE 19701
(302) 834-8938
Gr: PK-12 | 1,117 student Avg. class size: 15 students Tuition & acceptance rate listed
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
Gr: NS-12 | 486 students Avg. class size: 12 students Sports: 15 | Extracurrculars: 9 Tuition listed
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
Gr: NS-12 | 849 students Avg. class size: 15 students Sports: 16 | Extracurrculars: 24 Tuition & acceptance rate listed
2002 Rodman Rd
Wilmington, DE 19805
(302) 575-1266
Gr: 3-12 | 84 students
High Road School Of Delaware
Special Education School
7012 S Dupont Hwy
Felton, DE 19943
(302) 538-6345
Gr: 4-12 | 24 students
Urban Promise Academy
2223 N Market St
Wilmington, DE 19802
(202) 679-0849
Gr: 7-11 | 22 students

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