The Big Eight Conference was an NCAA Division I-A athletic conference 1907–1996. Big Eight Conference may also refer to: Big 8 Conference (California), a community-college athletic conference Big Eight Conference (IHSAA), Indiana and Illinois, a high-school athletic conference Big Eight Conference (Iowa), a defunct high-school athletic conference Big 8 Conference (Missouri), a high-school athletic conference WIAA Big Eight Conference, Wisconsin, a high-school athletic conference