1 Massachusetts Institute of Technology, USA

Stanford University, USA

3 Harvard University, USA

California Institute of Technology

/kloc-0 0 University of Chicago, USA

1 1 Princeton University, USA

15 Yale university, USA

16 Cornell University, USA

17 Johns Hopkins university, USA

University of Pennsylvania

20 Columbia University, USA

23 University of Michigan at ann arbor, USA

Duke University, USA

26 Northwestern University, USA

University of California, Berkeley

3 1 UCLA

University of California, San Diego

46 new york University, USA

49 Brown University, USA

university of wisconsin

Carnegie Mellon University, USA

59 University of Washington, USA

University of Illinois at Urbana-Champaign, USA

University of Texas at Austin, USA

7 1 Georgia Institute of Technology, USA

78 University of North Carolina at Chapel Hill, USA

University of California at Davis, USA

Ohio State University

Boston University

90 Rice University, USA

Purdue University West lafayette, USA

95 Pennsylvania State University Park, USA

106 Washington university in St. Louis, USA

University of California, Santa Barbara.

13 1 University of Maryland at Park, USA

136 University of Southern California, USA

137 University of Minnesota, Twin Cities, USA

145 University of Pittsburgh, USA

149 emory university, USA

156 University of California, Irvine, USA

Dartmouth College, USA

160 Texas A&M university, USA

160 Michigan state university, USA

170 University of Colorado at Boulder, USA

172 University of Virginia, USA

185 University of Florida, USA

University of rochester

187 University of Illinois at Chicago, USA