1 massachusetts institute of technology cambridge, ma

2 purdue university--west lafayette west lafayette, in

3 carnegie mellon university pittsburgh, pa

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

5 university of pennsylvania philadelphia, pa

6 university of texas—austin austin, tx

7 university of california—berkeley berkeley, ca

8 ohio state university—columbus columbus, oh

9 indiana university—bloomington bloomington, in

9 michigan state university east lansing, mi

university of north carolina--chapel hill chapel hill, nc

12 georgia institute of technology atlanta, ga

university of illinois--urbana-champaign champaign, il

14 new york university new york, ny

university of minnesota--twin cities minneapolis, mn

16 arizona state university tempe, az

university of maryland--college park college park, md

18 university of florida gainesville, fl