There are 335 K-12 Schools in San Mateo County, California, serving a population of 763,450 people in an area of 449 square miles. There is 1 K-12 School per 2,278 people, and 1 K-12 School per 1 square miles.
In California, San Mateo County is ranked 39th of 58 counties in K-12 Schools per capita, and 5th of 58 counties in K-12 Schools per square mile.