The University of Arizona, a land-grant university with two independently accredited medical schools, is one of the nation's top public universities, according to U.S. News & World Report. Established in 1885, the UA is widely recognized as a student-centric university. The UA ranked in the top 25 in 2018 in research expenditures among all public universities, according to the National Science Foundation, and is a leading Research 1 institution with $687 million in annual research expenditures. The UA advances the frontiers of interdisciplinary scholarship and entrepreneurial partnerships as a member of the Association of American Universities, the 62 leading public and private research universities in the U.S. It benefits the state with an estimated economic impact of $4.1 billion annually.