1.Harvard University
2. Princeton University
3. Yale University
4. Columbia University
5. Stanford University
6. University of Pennsylvania
7. California Institute of Technology
8. Massachusetts Institute of Technology
9. Dartmouth College
9. Duke University
9. University of Chicago
12. Northwestern University
13. Johns Hopkins University
13. Washington University in St. Louis
15. Brown University
15. Cornell University
17. Rice University
17. Vanderbilt University
19. University of Notre Dame
20. Emory University