| 1918 - 1929 | Samuel T. May | University of Iowa, Ph.D. University of Illinois College, L.L.B. |
| 1929 - 1936 | Conrad J. Kjerstad | University of South Dakota, B.A. University of Chicago, M.A., Ph.D. |
| 1936 - 1938 | Harrison O. Pippin | Dickinson State Teachers College, B.A.Ed. |
| 1939 - 1959 | Charles E. Scott | Colorado State College of Education, Greeley, B.A., M.A. |
| 1959 - 1969 | Oscar A. DeLong | Dakota Wesleyan University, B.A. University of Iowa, M.A. |
| 1969 - 1977 | R. Cameron Gillund | University of North Dakota, B.S., M.S., Ed.D. |
| 1977 - 1994 | Albert A. Watrel | Syracuse University, B.S., M.S., Ph.D. |
| 1994 - 1998 | Philip W. Conn | Berea College, B.A. Institute of Social Studies |
| 1998-1999 | Richard D. Brauhn | University of Northern Iowa, B.A. University of Northern Iowa, M.A. University of Northern Iowa, D.A. |
| 1999-2008 | Lee A. Vickers | Adams State College, B.A. Adams State College, M.A. University of Wyoming, Ph.D. |
| 2008 - 2011 | Richard J. McCallum | Wayne State College, B.A. |
| 2012 | D.C. Coston | North Carolina State University, B.S. Michigan State University, M.S. Michigan State University, Ph.D |