The Saskatchewan Teachers' Federation (STF) is a professional association and trade union representing over 13,500 schoolteachers in the Canadian province of Saskatchewan . The organization's headquarters is located in Saskatoon. See also Canadian Teachers' Federation Education in Saskatchewan References External links 1933 establishments in Saskatchewan Canadian Teachers' Federation Education trade unions Education-related professional associations Educational organizations based in Canada Educational organizations established in 1933 Organizations based in Saskatoon Professional associations based in Saskatchewan Trade unions established in 1933 Trade unions in Canada