The Central Dauphin School District is a large, suburban, public school district located in suburban Harrisburg, Pennsylvania serving students in central and eastern Dauphin County. It is the largest school district in the county, the largest in the greater Harrisburg metropolitan area and is the 14th largest school district in Pennsylvania. The District serves the Boroughs of: Dauphin, Paxtang and Penbrook as well as Lower Paxton Township, Middle Paxton Township, Swatara Township and West Hanover Township. It was created in 1954, combining four smaller districts. The Central Dauphin School District encompasses approximately 118 square miles (310 km2). According to 2000 federal census data, it served a resident population of 83,750. By 2010, the Districts population increased to 90,442 people. The educational attainment levels for the Central Dauphin School District population (25 years old and over) were 91.8% high school graduates and 30.4% college graduates. According to the Pennsylvania Budget and Policy Center, 39.3% of the District’s pupils lived at 185% or below the Federal Poverty level as shown by their eligibility for the federal free or reduced price school meal programs in 2012. In 2009, Central Dauphin School District residents' per capita income was $23,896, while the median family income was $56,338. In Dauphin County, the median household income was $52,371. By 2013, the median household income in the United States rose to $52,100. In 2010-2011, Central Dauphin School District reported employing 835 teachers, yielding a student–teacher ratio of 13:1. According to a report by the Pennsylvania Department of Education, 49 teachers were rated "Non-Highly Qualified" under No Child Left Behind. Additionally, 5 teachers have emergency certification.