For the 2026 school year, there are 2 private high schools belonging to Christian Schools International (CSI) serving 86 students in Missouri. You can also find more schools membership associations in Missouri.
100% of private high schools belonging to Christian Schools International (CSI) in Missouri are religiously affiliated (most commonly Christian).
Private High Schools Belonging to Christian Schools International (CSI) in Missouri (2026)
School
Location
Quick Facts
Heritage Classical Christian Academy
(Christian)
4000 Alt Rd
Eureka, MO 63025
(636) 394-8063
Eureka, MO 63025
(636) 394-8063
Gr: 6-12 | 57 students Tuition listed
Pike County Christian School
(Christian)
203 E Maple St
Curryville, MO 63339
(573) 324-2700
Curryville, MO 63339
(573) 324-2700
Gr: PK-12 | 29 students
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.