Federal Work Study –. . HDFS Student Worker. Harry Truman Campus – Education and Human Development & Family Studies Department. . . City Colleges of Chicago (CCC). the largest community college system in Illinois, is made up of seven colleges and five satellite sites, providing more than 70,000 students each year access to a quality, affordable education. . The. Federal Work Study Program. (FWS) is a federally-funded financial aid program that pr...