The Cobb County School District is the second largest school system in Georgia and among the largest in the United States, with a current enrollment of 106,368. Its student population grows by nearly 2,000 each year, and with more than 14,000 full-time employees, nearly 8,700 of whom are classroom teachers and other certified personnel. The school district is the largest employer in the county. The District has five magnet programs including the International Baccalaureate Programme (Campbell High School), the Advanced Mathematics and Science Academy (Kennesaw Mountain High School), the Center for Excellence in Performing Arts (Pebblebrook High School), the Academy of Research and Medical Science (South Cobb High School), and the Center for Advanced Studies in Science, Mathematics and Technology (Wheeler High School). The District has three established charter schools, with two new charters approved for schools to open in 2008 in Smyrna and Mableton.