Prince William County Public Schools is a Virginian school division with its headquarters in the Kelly Leadership Center in unincorporated Prince William County, Virginia. As of the 2010 census, the population of the county was 402,002. Prince William County Public Schools is the second largest school division in Virginia enrolling approximately 92,000 students. Prince William County Public Schools is the fourth largest school system in the Washington Metropolitan Area after the Fairfax County, Virginia; Montgomery County, Maryland; and Prince George's County, Maryland school systems.