Prince William County Public School Board Office is the Prince William county administrative offices, headquartered in the Kelly Leadership Center in Prince William County. The building is named after Edward Kelly, the county's longest-running superintendent, who presided over the system for 18 years. It has a board meeting room capacity of 300 seats, with state-of-the-art computer and video screens and houses about 500 employees. Features of the center include a small museum representing the history of the school system in the main lobby and computer stations in front for people to fill out employment applications.