River Oaks Elementary School (Prince William County, Virginia)

Prince William County Public Schools (PWCS) is a school division in Virginia with its headquarters in the Kelly Leadership Center located in the unincorporated community of Independent Hill in Prince William County, Virginia. As of the 2020 census, the population of the county was 486,943.

Prince William County Public Schools is the second largest school division in Virginia with 91,180 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, and the 33rd largest school system in the United States.

The county system serves all parts of the county except for Marine Corps Base Quantico, which is served by the Department of Defense Education Activity.