A B

1 5 Harvard University (MA)
1 9 Stanford University (CA)
3 1 University of Pennsylvania (Wharton)
4 15 Massachusetts Institute of Technology (Sloan)
5 2 Northwestern University (Kellogg) (IL)
6 6 Columbia University (NY)
6 3 University of Chicago
8 7 Duke University (Fuqua) (NC)
9 4 University of Michigan–Ann Arbor
10 16 University of California–Berkeley (Haas)

A=US News Rank
B=Business Week Rank