The Yale School of Medicine has moved up three spots in U.S. News & World Report’s annual survey of “America’s Best Graduate Schools” from ninth to sixth in the Research category. The medical schools at Harvard and Johns Hopkins were ranked first and second, respectively. Also ranked sixth in the ratings were the medical schools at Duke, Stanford and the University of Washington at Seattle. In the Drug and Alcohol Abuse specialty category, Yale was ranked first. For the rankings, 146 fully accredited medical schools were surveyed in fall 2008 and early 2009. A weighted average of eight indicators, including research activity, student selectivity and mean MCAT score, formed the base of the medical school research rankings.