South Middleton School District is a mid-sized, rural, public school district located in Boiling Springs, Pennsylvania. It also serves residents of South Middleton Township. South Middleton School District encompasses approximately 51 square miles (130 km2). South Middleton School District serves grades (K–12). According to 2000 federal census data, it served a resident population of 12,939. By 2010 the population had risen to 14,695 residents. The educational attainment levels for the school district population were 92.9% high school graduates and 33.1% college graduates.