2. University of California at Berkeley

3. Massachusetts Institute of Technology

4. California Institute of Technology

5. Stanford University

6. Yale University

7. Princeton University

8. University of Chicago

9. University of Texas at Austin

10, Columbia University

1 1, University of California at San Francisco

Cornell University, 12

13, University of California, San Diego

Johns Hopkins University, 14

15, UCLA

16, University of Pennsylvania

17, University of Michigan

University of Illinois, 18

19, Carnegie Mellon University

20. University of Massachusetts