#25 Best Private Schools in St. Charles County, MO
Christian School District
Christian school (nondenominational) · Grades Pre-K–12
The largest Christian school in O'Fallon
O'Fallon, MO
B-Overall grade596 students13 students per teacher
2026 lists
Best Private Schools in St. Charles County, MO
Private schools in St. Charles County, MO with the highest overall grades. Top 25 of 25 schools.
Grades compare each school's official facts, such as class size, how long it has served families and where graduates go, with similar schools. They're a starting point: visit, ask questions and trust what you see.