Alliance for School Choice

American Legislative Exchange Council

Black Alliance for Educational Options

Cato Institute

Clare Boothe Luce Policy Institute

Clergy for Educational Options

Freedom Tide Foundation

Friedman Foundation

Governor's Office

Humane Society of the United States

Heartland Institute

Heritage Foundation

Institute for Justice

Legislation Education Action Drive (LEAD)

Mackinac Center for Public Policy

Manhattan Institute

Mothers Against Drunk Driving

National Center for Education Statistics

National Center for Policy Analysis

National Rifle Association

Palmetto Family Council

SC Association of Independent Home Schools

SC Department of Education

SC General Assembly

SC Club for Growth

SC Policy Council