1.

Massachusetts Institute of Technology (MA)

2.

University of California–San Diego (CA)

3.

Yale University (CT)

4.

University of California–Berkeley (CA)

5.

Harvard University (MA)

5.

Princeton University (NJ)

7.

University of Chicago (IL)

8.

Northwestern University (IL)

9.

Stanford University (CA)

10.

University of Wisconsin–Madison (WI)

11.

  University of Pennsylvania (PA)

12.

  Duke University (NC)

12.

  University of California–Los Angeles (CA)

14.

  Michigan State University (MI)