1. New York University New York New York USA
2. Stanford University Stanford California USA
3. The Pennsylvania State University University Park Pennsylvania USA
4. Eunice Kennedy Shriver National Institute of Child Health and Human Development Bethesda Maryland USA
5. Institute for Fiscal Studies London UK
6. UNICEF New York New York USA
7. Cornell University Ithaca New York USA
8. University of Oregon Eugene Oregon USA
9. University of Chicago Chicago Illinois USA
10. University of Iowa Iowa City Iowa USA
11. Temple University Philadelphia Pennsylvania USA
12. Boston University Boston Massachusetts USA
13. Princeton University Princeton New Jersey USA
14. Carnegie Mellon University Pittsburgh Pennsylvania USA
15. University of Connecticut Storrs Connecticut USA
16. Institute for Education Sciences Washington District of Columbia USA
17. University of Miami Coral Gables Florida USA
18. Harvard University Cambridge Massachusetts USA
19. University of Manitoba Winnipeg Manitoba Canada
20. Brooklyn College CUNY Brooklyn New York USA
21. University of California Merced Merced California USA
22. University of California Los Angeles Los Angeles California USA
23. University of Houston Houston Texas USA
24. University of Texas at Austin Austin Texas USA