Best Saint Charles Private Schools (2025-26)

For the 2025-26 school year, there are 16 private schools serving 4,147 students in Saint Charles, MO (there are 36 public schools, serving 21,587 public students). 16% of all K-12 students in Saint Charles, MO are educated in private schools (compared to the MO state average of 12%).

The top ranked private schools in Saint Charles, MO include Academy Of The Sacred Heart, Immanuel Lutheran School, and Duchesne High School.

The average acceptance rate is 94%, which is higher than the Missouri private school average acceptance rate of 85%.

69% of private schools in Saint Charles, MO are religiously affiliated (most commonly Catholic and Lutheran Church Missouri Synod).