Southern Illinois University Edwardsville | 94,421 followers on LinkedIn. You can become part of the excitement that is SIUE, a nationally recognized university educating and developing professional and community leaders through excellent faculty and programs. With a student-to-teacher ratio of 17 to 1, SIUE offers the advantages of a small, liberal arts college with one of the lowest tuitions of 12 state universities in Illinois. In addition, the University's emphasis on undergraduate education, complemented by faculty research, creates practical applications for student learning.