1. Harvard University — US
2. Stanford University — US
3. University of Pennsylvania — US
4. Columbia University — US
5. Oxford University – UK
6. MIT — US
7. New York University — US
8. Cambridge University – UK
9. Northwestern University — US
10. University of Chicago — US
11. University of Michigan — US
12. University of Texas, Austin — US
13. Cornell University — US
14. Yale University — US
15. University of California, Berkeley — US
16. Southern California University — US
17. Princeton University — US
18. University of California, Los Angeles — US
19. University of Virginia — US
20. University of London (UCL/LSE)— UK
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