1.

Harvard University (MA)

2.

Massachusetts Institute of Technology (MA)

2.

Stanford University (CA)

4.

University of California–Berkeley (CA)

5.

Princeton University (NJ)

6.

Columbia University (NY)

7.

SUNY–Stony Brook (NY)

8.

University of Michigan–Ann Arbor (MI)

9.

University of Chicago (IL)

10.

New York University (NY)

11.

   University of Texas–Austin (TX)

12.

   University of California–Los Angeles (CA)

13.

   University of Pennsylvania (PA)

13.

  Yale University (CT)

15.

   University of Maryland–College Park (MD)

16.

  Duke University (NC)

17.

   Johns Hopkins University (MD)

17.

   University of California–San Diego   (CA)

19.

  University of Illinois–Chicago (IL)