Chartiers Valley School District is a suburban borough school district that serves an area southwest of Pittsburgh, including the Boroughs of Bridgeville and Heidelberg and Collier Township and Scott Township in Allegheny County, Pennsylvania, United States. The district was formed in 1956. Chartiers Valley School District encompasses approximately 18 square miles. According to 2000 federal census data, it serves a resident population of 29,119. In 2009, the district residents' per capita income was $23,365, while the median family income was $51,647.