Southern Illinois University Carbondale is the flagship campus of the Southern Illinois University system. (The other members are Southern Illinois University Edwardsville and Southern Illinois University School of Medicine.) Located in Carbondale, the university is known in official parlance as SIUC but colloquially as SIU. SIU's total undergraduate enrollment is around 20,000. Founded in 1869, SIU is recognized in the U.S. News & World Report rankings as a "National University," that is, a university which grants a variety of doctoral degrees and strongly emphasizes research; SIUC's ranking in the 2011 US News ratings was #183; ranking fourth among public universities in Illinois. Additionally, SIU is ranked by the Carnegie Foundation for the Advancement of Teaching as "Doctoral Research Extensive." The University offers the full range of degree programs from the bachelor to the doctoral level, as well as professional degrees in architecture, law and medicine. In 1869, SIU was founded as a teacher's college named Southern Illinois Normal College. It began with twelve academic departments and an initial class of 143.