For the 2026 school year, there are 5 private high schools belonging to Association of Christian Schools International (ACSI) serving 2,246 students in Delaware. You can also find more schools membership associations in Delaware.
The top-ranked private high schools belonging to Association of Christian Schools International (ACSI) in Delaware include Calvary Christian Academy, Wilmington Christian School, and Red Lion Christian Academy.
The average acceptance rate is 92%, which is higher than the Delaware private high school average acceptance rate of 87%.
100% of private high schools belonging to Association of Christian Schools International (ACSI) in Delaware are religiously affiliated (most commonly Christian and Assembly of God).
Top-Ranked Private High Schools Belonging to Association of Christian Schools International (ACSI) in Delaware (2026)
School
Location
Quick Facts
Calvary Christian Academy
(Assembly of God)
1143 E Lebanon Road
Dover, DE 19901
(302) 697-7860
Dover, DE 19901
(302) 697-7860
Gr: PK-12 | 348 students Avg. class size: 14 students Sports: 4 | Extracurrculars: 9 Tuition & acceptance rate listed
Greenwood Mennonite School
(Mennonite)
12802 Mennonite School Road
Greenwood, DE 19950
(302) 349-4131
Greenwood, DE 19950
(302) 349-4131
Gr: PK-12 | 284 students Avg. class size: 23 students Sports: 6 Tuition & acceptance rate listed
Red Lion Christian Academy![Red Lion Christian Academy Photo - ELEMENTARY PLAYGROUND]( "Red Lion Christian Academy Photo - ELEMENTARY PLAYGROUND")
(Christian)
1390 Red Lion Road
Bear, DE 19701
(302) 834-2526
Bear, DE 19701
(302) 834-2526
Gr: NS-12 | 1,002 student Avg. class size: 20 students Sports: 13 | Extracurrculars: 28 Tuition & acceptance rate listed
825 Loveville Rd
Hockessin, DE 19707
(302) 239-2121
Hockessin, DE 19707
(302) 239-2121
Gr: PK-12 | 413 students Avg. class size: 20 students Sports: 10 Tuition & acceptance rate listed
Harvest Christain Academy, Wilmington
(Christian)
2205 Lancaster Ave
Wilmington, DE 19805
(302) 276-7581
Wilmington, DE 19805
(302) 276-7581
Gr: PK-12 | 199 students Avg. class size: 10 students Tuition & acceptance rate listed
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.
