Education World University Rankings. The University of California San Diego is ranked 15th by the Academic Ranking of World Universities, and is ranked 17th "Best University in the World" by the Center for World University Rankings for 2016. U.S. News & World Report named UC San Diego the 15th best university in the world for 2017 for research, global and regional reputation, international collaboration, and several highly cited papers. In 2017, UC San Diego was ranked 30th in the world by the Times Higher Education World University Rankings. UC San Diego was also ranked 38th overall in the world, and 11th in biological sciences, 16th in life sciences, and medicine, 19th in economics and econometrics, 31st in mathematics, and 44th in computer science and information systems by QS World University Rankings. In 2015, the Centre for Science and Technology Studies at Leiden University named UC San Diego 16th in the world for scientific impact. Graduate school rankings The UC San Diego School of Medicine is ranked tied for 18th for research and 12th for primary care in the 2018 U.S. News & World Report rankings. The Rady School of Management at UC San Diego is ranked 17th in the world for faculty research and 8th for alumni entrepreneurship in the 2014 Financial Times’ Global MBA. In 2014 the Rady School ranked 1st in the nation in intellectual capital by Bloomberg Businessweek, which measured faculty research published in the top 20 business journals from 2009 to 2013. UC San Diego was named 8th in the nation among doctoral institutions for the number of students who study abroad for a full academic year, according to the Institute of International Education Open Doors report. Three doctoral programs at UC San Diego—biological sciences, bioengineering, and Scripps Institution of Oceanography—are 1st in the nation in the National Research Council's Data-Based Assessment of Research-Doctorate Programs report. Departmental rankings Departmental rankings (including specialties) in the national top 10 according to the 2018 U.S. News & World Report Best Graduate Schools report include biomedical engineering/bioengineering (2nd); neuroscience/neurobiology (2nd); biochemistry (10th); discrete mathematics and combinatorics (3rd); plasma physics (7th); econometrics (4th); public finance (8th); political science (9th); international politics (4th); comparative politics (4th); behavioral neuroscience (4th); cognitive psychology (8th); and time-based media/new media (3rd). Departmental rankings in the global top 10 according to the 2015 U.S. News & World Report Best Graduate Schools report include: biology and biochemistry (6th);