1 carnegie mellon university

2 stanford university

2 university of california--berkeley

4 massachusetts institute of technology

5 university of texas--austin

6 cornell university

7 princeton university

8 university of pennsylvania

9 university of illinois--urbana-champaign

10 university of wisconsin--madison

11 university of washington

12 rice university

13 university of maryland--college park

13 yale university

15 northeastern university

16 university of california--los angeles

17 georgia institute of technology

17 harvard university

19 university of california--san diego