| 1 | Massachusetts Institute of Technology Cambridge, MA | ||
| 2 | Harvard University Cambridge, MA | ||
| 2 | Princeton University Princeton, NJ | ||
| 2 | Stanford University Stanford, CA | ||
| 2 | University of California--Berkeley Berkeley, CA | ||
| 6 | University of Chicago Chicago, IL | ||
| 7 | California Institute of Technology Pasadena, CA | ||
| 8 | University of California--Los Angeles Los Angeles, CA | ||
| 8 | University of Michigan--Ann Arbor Ann Arbor, MI | ||
| 10 | Columbia University New York, NY | ||
| 10 | New York University New York, NY | ||
| 10 | Yale University New Haven, CT | ||
| 13 | Cornell University Ithaca, NY | ||
| 14 | Brown University Providence, RI | ||
| 14 | University of Texas--Austin Austin, TX | ||
| 16 | Northwestern University Evanston, IL | ||
| 16 | University of Wisconsin--Madison Madison, WI | ||
| 18 | University of Minnesota--Twin Cities Minneapolis, MN | ||
| 18 | University of Pennsylvania Philadelphia, PA | ||
| 20 | Rutgers, the State University of New Jersey--New Brunswick Piscataway, NJ | ||
| 20 | University of California--San Diego La Jolla, CA | ||
| 20 | University of Illinois--Urbana-Champaign Urbana, IL | ||
| 20 | University of Maryland--College Park College Park, MD | ||
| 24 | Duke University Durham, NC | ||
| 24 | Johns Hopkins University Baltimore, MD | ||
