（peer assess ）

1. Harvard University (MA) 4.9
1.Princeton University (NJ) 4.9
1.Yale University (CT) 4.9
1.Massachusetts Inst. of Technology 4.9
1.Stanford University (CA) 4.9

6. University of California – Berkeley * 4.8
7. California Institute of Technology 4.7
7.Columbia University (NY) 4.7

9. University of Pennsylvania 4.6
9.Duke University (NC) 4.6
9.Johns Hopkins University (MD) 4.6
9.Cornell University (NY) 4.6
9.University of Chicago 4.6
9.University of Michigan – Ann Arbor * 4.6

15. Brown University (RI) 4.5
16. Dartmouth College (NH) 4.4
16.Northwestern University (IL) 4.4
18 Univ. of California – Los Angeles * 4.3
18.University of Virginia * 4.3
18.Carnegie Mellon University (PA) 4.3