The average private school in Missouri was founded around 1956 (2026-27).
The oldest private school in Missouri is St. Louis University High School and Academy Of The Sacred Heart, each founded in 1818.
Quick Facts (26-27)
- # MO Schools Ranked: 405
- Top 20 Range (Year Founded): 1818–1850
- MO School Avg.: 1954
- National School Avg.: 1967












