https://nces.ed.gov/fastfacts/display.asp?id=30 public charter school enrollment nces.ed.gov charter schools students only 5.8 percent of public schools are charters reports Public charter schools Fast Facts: Charter Schools the number of charter schools nationwide charter schools. the number of charter schools nationwide there were about 5 percent of all K-12 students public charter school enrollment alternative schools as of 2010 authorized the first charter schools tripled more than tripled https://nces.ed.gov/fastfacts/display.asp?id=30 "Charter Schoow Fast Facts" Charter Schools: Fast Facts Fast Facts: Charter Schools charter schools a 2013 report by the U.S. Department of Education public education system Department of Education. According to the U.S. Department of Education NCES database https://nces.ed.gov/fastfacts/display.asp?id=30 tripling http://nces.ed.gov/fastfacts/display.asp?id=30 tripled a 2013 report by the U.S. Department of Education NCES https://nces.ed.gov/fastfacts/display.asp?id=30 five percent https://nces.ed.gov/fastfacts/display.asp?id=30 National Center for Education Statistics charters charter school the number of charter schools nationwide the number of charter schools nationwide National Center for Education Statistics charter school NCES five percent states tripled enrolled 2.1 million students by the end of 2012 National Center for Education Statistics U.S. Department of Education more than tripled National Center of Education Statistics authorized the first charter schools