¹National Alliance for Public Charter Schools (NAPCS), “Schools by Management Organization, 2012-13,” In The Public Charter Schools Dashboard, Washington, DC: NAPCS, 2014. http://dashboard.publiccharters.org/dashboard/schools/page/mgmt/year/2013

²NAPCS, “Schools by Management Organization, 2012-13,” 2014. http://dashboard.publiccharters.org/dashboard/schools/page/mgmt/year/2013

³Ted Kolderie, “Ray Budde and the Origins of the ‘Charter Concept’,” Education Evolving, Saint Paul, MN: Education Evolving and Center for Policy Design, 2005. http://www.educationevolving.org/pdf/Ray-Budde-Origins-Of-Chartering.pdf

⁴Jeffrey R. Henig, Spin Cycle: How Research Is Used in Policy Debates: The Case of Charter Schools, (New York: Russell Sage Foundation, 2008).

⁵National Alliance for Public Charter Schools (NAPCS), “What Are Public Charter Schools?,” Washington, DC: NAPCS, 2014.http://www.publiccharters.org/get-the-facts/public-charter-schools/

⁶U.S. Department of Education, Institute of Education Sciences, and National Center for Education Statistics, “What Are Charter Schools? How Common Are They, and Who Do They Serve?,” In The Condition of Education 2014. Washington, DC: National Center for Education Statistics, 2014.http://nces.ed.gov/fastfacts/display.asp?id=30

⁷National Alliance for Public Charter Schools (NAPCS), “Total Number of Schools, 2013-14,” In The Public Charter Schools Dashboard, Washington, DC: NAPCS, 2014. http://dashboard.publiccharters.org/dashboard/schools/page/overview/year/2014

National Alliance for Public Charter Schools (NAPCS), “Total Number of Schools, 2012-13,” In The Public Charter Schools Dashboard, Washington, DC: NAPCS, 2014. http://dashboard.publiccharters.org/dashboard/schools/page/overview/year/2013

⁸NAPCS, “Total Number of Students 2013-14,” 2014. http://dashboard.publiccharters.org/dashboard/students/page/overview/year/2014

⁹Center for Research on Education Outcomes (CREDO), National Charter School Study 2013, Stanford, CA: CREDO at Stanford University, 2013. http://credo.stanford.edu/documents/NCSS%202013%20Final%20Draft.pdf

¹⁰U.S. Department of Education, Institute of Education Sciences, and National Center for Education Statistics, “Number and Percentage Distribution of Public Elementary and Secondary Students and Schools, by Traditional or Charter School Status and Selected Characteristics: Selected Years, 1999-2000 through 2011-12,” In Public Elementary/Secondary School Universe Survey, Washington, DC: National Center for Education Statistics, 2014. http://nces.ed.gov/programs/digest/d13/tables/dt13_216.30.asp

¹²CREDO, National Charter School Study 2013, 2013. http://credo.stanford.edu/documents/NCSS%202013%20Final%20Draft.pdf

¹³U.S. Department of Education et al., “What Are Charter Schools?,” 2014. http://nces.ed.gov/fastfacts/display.asp?id=30

Alabama Department of Education, “2015 Legislative Tracking.” http://web.alsde.edu/Home/Legislative/Legislative_Tracking_Regular.aspx

¹⁴U.S. Department of Education et al., “Number and Percentage Distribution of Public Elementary and Secondary Students and Schools, by Traditional or Charter School Status and Selected Characteristics,” 2014. http://nces.ed.gov/programs/digest/d13/tables/dt13_216.30.asp

¹⁵U.S. Department of Education et al., “Number and Percentage Distribution of Public Elementary and Secondary Students and Schools, by Traditional or Charter School Status and Selected Characteristics,” 2014. http://nces.ed.gov/programs/digest/d13/tables/dt13_216.30.asp

¹⁶National Alliance for Public Charter Schools (NAPCS), “Total Number of Schools, 2012-2013 California,” In The Public Charter Schools Dashboard, Washington, DC: NAPCS, 2014. http://dashboard.publiccharters.org/dashboard/schools/page/overview/state/CA/year/2013

¹⁷NAPCS, “Total Number of Schools, 2012-13,” 2014. http://dashboard.publiccharters.org/dashboard/schools/page/overview/year/2013

National Alliance for Public Charter Schools (NAPCS), “A Growing Movement: America’s Largest Charter School Communities,” Washington, DC: NAPCS, 2014. http://www.publiccharters.org/publications/enrollment-share-2014/

¹⁸U.S. Department of Education et al., “Number and Percentage Distribution of Public Elementary and Secondary Students and Schools, by Traditional or Charter School Status and Selected Characteristics,” 2014. http://nces.ed.gov/programs/digest/d13/tables/dt13_216.30.asp

¹⁹U.S. Department of Education, Institute of Education Sciences, and National Center for Education Statistics, “Number and Enrollment of Public Elementary and Secondary Schools, by School Level, Type, and Charter and Magnet Status: Selected Years, 1990-91 through 2011-12,” In Public Elementary/Secondary School Universe Survey, Washington, DC: National Center for Education Statistics, 2013. http://nces.ed.gov/programs/digest/d13/tables/dt13_216.20.asp