Wallingford-Swarthmore School District is a midsized, suburban public school district in south-eastern Delaware County, Pennsylvania in the United States. It serves the boroughs of Swarthmore, Rose Valley and Rutledge, and the township of Nether Providence (consisting largely of the unincorporated community of Wallingford). encompasses approximately 7 square miles. According to 2000 federal census data, it serves a resident population of 21,430. In 2009, the district residents' per capita income was $35,604, while the median family income was $86,442. In the Commonwealth, the median family income was $49,501 and the United States median family income was $49,445, in 2010. According to Wallingford-Swarthmore School District officials, in the school year 2007–08, the Wallingford-Swarthmore School District provided basic educational services to 3,539 pupils. It employed 317 teachers, 208 full-time and part-time support personnel, and 22 administrators. Wallingford-Swarthmore School District received more than $8.2 million in state funding, in school year 2007–08.