West Mifflin Area School District is a suburban, public school district in the Commonwealth of Pennsylvania. It is located in the south hills of Allegheny County. It serves the boroughs of West Mifflin, and Whitaker. As of 2007, the district also serves some students from the neighboring City of Duquesne. West Mifflin Area School District encompasses approximately 15 square miles. According to 2000 federal census data, it serves a resident population of 22,802.