1       Harvard University
Cambridge, MA
   
1     Massachusetts Institute of Technology
Cambridge, MA
   
1     Princeton University
Princeton , NJ

1     University of Chicago
Chicago, IL

5     Stanford University
Stanford, CA

6     University of California--Berkeley
Berkeley, CA

6     Yale University
New Haven, CT

8     Northwestern University
Evanston, IL

9     University of Pennsylvania
Philadelphia, PA

10     Columbia University
New York, NY

10     University of Minnesota--Twin Cities
Minneapolis, MN

12     New York University
New York, NY

12     University of Michigan--Ann Arbor
Ann Arbor, MI

14     California Institute of Technology
Pasadena, CA

14     University of California--Los Angeles
Los Angeles, CA

14     University of California--San Diego
La Jolla, CA

14     University of Wisconsin--Madison
Madison, WI

18     Cornell University
Ithaca, NY

19     Brown University
Providence, RI

19     Carnegie Mellon University (Tepper)
Pittsburgh, PA

19     Duke University
Durham, NC

22     University of Maryland--College Park
College Park, MD

22     University of Rochester
Rochester, NY

24     Boston University
Boston, MA

25     Johns Hopkins University
Baltimore, MD