UCR is classified among "R1: Doctoral Universities – Very high research activity." The 2019 "U.S. News & World Report" Best Colleges rankings places UCR tied for 35th among top public universities and ranks 85th nationwide. Over 27 of UCR's academic programs, including the Graduate School of Education and the Bourns College of Engineering, are highly ranked nationally based on peer assessment, student selectivity, financial resources, and other factors. "Washington Monthly" ranked UCR 2nd in the United States in terms of social mobility, research and community service, while "U.S. News" ranks UCR as the fifth most ethnically diverse and, by the number of undergraduates receiving Pell Grants (42 percent), the 15th most economically diverse student body in the nation. Over 70% of all UCR students graduate within six years without regard to economic disparity. UCR's extensive outreach and retention programs have contributed to its reputation as a "university of choice" for minority students. In 2005, UCR became the first public university campus in the nation to offer a gender-neutral housing option.