1
Princeton University
2
Massachusetts Institute of Technology
3
Harvard University
Stanford University
5
Yale University
6
University of Pennsylvania
7
California Institute of Technology
Duke University
9
Brown University
Johns Hopkins University
Northwestern University
12
Columbia University
Cornell University
University of Chicago
15
University of California，Berkeley
University of California, Los Angeles
17
Rice University
18
Dartmouth College
Vanderbilt University
19
University of Notre Dame
4
10
11
The University of Chicago
13
16
23
28
The Johns Hopkins University
29
33
University of Michigan
38
New York University
47
Northwest University
52
Carnegie Mellon University
57
58
University of Texas at Austin
62
University of California, San Diego
63
University of Washington
64
University of Illinois Urbana-Champaign
83
The Pennsylvania State University
93
Boston University
97
Georgia Institute of Technology
99
Purdue University West Lafayette