The world's MBA business school rankings are as follows: No. 1: Harvard University.

No. 2: Stanford University.

No. 3: Northwestern University.

No. 4: University of Pennsylvania.

No. 5: University of Michigan-Ann Arbor.

No. 6: Dartmouth College.

No. 7: University of Virginia-Main Campus.

No. 8: Yale University.

No. 9: Duke University.

No. 10: Columbia University in the City of New York.

No. 11: University of California-Berkeley.

No. 12: The University of Texas at Austin.

No. 13: Cornell University.

No. 14: Indiana University-Bloomington.

No. 15: Massachusetts Institute of Technology.

No. 16: Arizona State University-Tempe.

No. 17: Pennsylvania State University-Main Campus.

No. 18: New York University.

No. 19: Emory University.

No. 20: Loyola University Maryland.

No. 21: University of California-Los Angeles.

No. 22: University of Chicago.

No. 23: University of North Carolina at Chapel Hill.

No. 24: Rockhurst University.

No. 25: Loyola Marymount University.

No. 26: Rice University.

No. 27: University of Detroit Mercy.

No. 28: University of Maryland-College Park.