Southern Illinois university is a multi-campus university containing two institutions: Southern Illinois university at Carbondale and Southern Illinois University at Edwardsville. One of only two systems of public higher education among Illinois colleges, Southern Illinois University provides educational opportunities at five separate locations. Each Southern Illinois University location thrives on diversity and a unique blend of students, and the instructional, research, and service missions of the two constituent institutions reflect the needs of the geographic areas in which they are located.

The university is a modern and comprehensive post-secondary educational institution that offers a range of academic programs leading to associate, baccalaureate, master.s, specialist, doctoral, and professional degrees. Southern Illinois University is also committed to serving statewide, national, and international needs through a commitment to educational activities including community service, research and training exchanges, and international student exchange programs.