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. According to District officials, in school year 2007-08 the Chartiers Valley School District provided basic educational services to 3,471 pupils through the employment of 264 teachers, 255 full-time and part-time support personnel, and 22 administrators. Chartiers Valley School District received more than $9.1 million in state funding in school year 2007-08.

The district operates one high school, one middle school, one intermediate school and one primary school.

The district borders eight other school districts: Montour S.D., Mt. Lebanon S.D., Keystone Oaks S.D., Upper St. Clair S.D., South Fayette S.D., West Allegheny S.D., Carlynton S.D. and Pittsburgh S.D.

The school district is named after Pierre Chartiers (1690—1759) who established a trading post in the area in 1743.