The 10 schools that have produced the most billionaires in the US
1. University of Pennsylvania: 18 graduates
2. Stanford University: 13 graduates
3. Yale University: 13 graduates
4. University of Southern California: 11 graduates
5. Harvard University: 11 graduates
6. Columbia University: 8 graduates
7. University of Michigan: 7 graduates
8. Dartmouth University: 7 graduates
9. Duke University: 6 graduates
10. Cornell University: 5 graduates