Iowa State University is a land-grant university located in Ames, IA, featuring eight schools and two schools. ISU is the largest university in the state and provides a four-year graduation gaurantee for its undergraduate students. As a member of the Association of American Universities, given the distinction of “very high research activity," Iowa State is home to a number of reaserch centers and institutes, including the Soil Testing and Plant Analysis Laboratory, North Central Regional Aquatics Center, and the Women in Science and Engineering center. ISU is a certified “Innovation and Economic Prosperity University.”