The University of Michigan is one of the great public research universities of the United States, located in vibrant Ann Arbor. U-M is distinguished by its unique alchemy of academic prestige, rich history and traditions, public ethos, and vibrant setting. Since 1817, U-M has been a global model of a diverse and comprehensive academic institution. It is recognized as one of the top 20 universities in the world, and one of the top public universities in the U.S. Students from all 50 states and 120 countries are mentored by some of the world's most influential faculty and join a community of more than 500,000 living alumni. Nineteen schools and colleges offer intellectual rigor in a cross-disciplinary environment encouraging inquiry in the classroom, undergraduate research, and broad opportunity.