1.

Massachusetts Institute of Technology (MA)

2.

California Institute of Technology (CA)

3.

Northwestern University (IL)

4.

University of California–Berkeley (CA)

5.

Texas A&M University–College Station (TX)

6.

University of Illinois–Urbana-Champaign (IL)

7.

University of Wisconsin–Madison (WI)

8.

Stanford University (CA)

9.

Cornell University (NY)

10.

University of North Carolina–Chapel Hill (NC)

11.

Harvard University (MA)

11.

University of Minnesota–Twin Cities (MN)

13.

University of California–Los Angeles (CA)

13.

University of California–San Diego (CA)

15.

University of Chicago (IL)

15.

University of Michigan–Ann Arbor (MI)

15.

Yale University (CY)

18.

Iowa State University (IA)

18.

University of Washington (WA)