This ranking based on Business Insider report.
World top 10 best business schools are following.
1 Harvard University
2 Stanford University
3 University of Pennsylvania (Wharton)
4 Massachusetts Institute of Technology (Sloan)
5 University of Chicago (Booth)
6 Columbia University
7 Northwestern University (Kellogg)
8 London School of Economics
9 London Business School
10 Dartmouth College (Tuck)