There are 122 K-12 Schools in St. Louis County, Missouri, serving a population of 999,539 people in an area of 508 square miles. There is 1 K-12 School per 8,192 people, and 1 K-12 School per 4 square miles.
In Missouri, St. Louis County is ranked 112nd of 115 counties in K-12 Schools per capita, and 4th of 115 counties in K-12 Schools per square mile.