There are 145 K-12 Schools in Marion County, Oregon, serving a population of 330,453 people in an area of 1,181 square miles. There is 1 K-12 School per 2,278 people, and 1 K-12 School per 8 square miles.
In Oregon, Marion County is ranked 30th of 36 counties in K-12 Schools per capita, and 3rd of 36 counties in K-12 Schools per square mile.