"AFT-Wisconsin is a labor organization of professional public employees in the state of Wisconsin. Formerly called the Wisconsin Federation of Teachers, AFT-Wisconsin is a Wisconsin chapter of the American Federation of Teachers. Started primarily as a teachers' union in 1931, AFT-Wisconsin today is comprised of many diverse professionals with over 500 job classifications, including members in the state PK-12 school system, the Wisconsin Technical College System (WTCS), numerous state agencies, and the University of Wisconsin System."