Yale University also had staying power, coming in at No. 3 in both 2009 and 2010.
Rankings by category:
Academic peer review: 10 (10 in 2009)
Employer review: 10 (17 in 2009)
Citations per faculty: 22 (30 in 2009)
Student-faculty ratio: 7 (4 in 2009)
International faculty: Did not rank in top 100
International students: Did not rank in top 100