1 massachusetts institute of technology cambridge, ma

2 university of california—berkeley berkeley, ca

3 university of wisconsin—madison madison, wi

4 university of minnesota--twin cities minneapolis, mn

5 stanford university stanford, ca

6 california institute of technology pasadena, ca

7 university of texas—austin austin, tx

8 university of illinois--urbana-champaign champaign, il

9 university of delaware newark, de

10 university of michigan--ann arbor ann arbor, mi

11 princeton university princeton, nj

12 georgia institute of technology atlanta, ga

13 purdue university--west lafayette west lafayette, in

14 carnegie mellon university pittsburgh, pa

15 cornell university ithaca, ny

16 pennsylvania state university-university park university park, pa

17 university of california--santa barbara santa barbara, ca

18 northwestern university evanston, il

19 university of virginia charlottesville, va

20 johns hopkins university baltimore, md

north carolina state university—raleigh raleigh, nc

university of florida gainesville, fl

university of pennsylvania philadelphia, pa

24 texas a&m university--college station college station, tx

virginia tech blacksburg, va