They have created their own rankings, the methodology is in the link, along with rankings of top LACs and top public schools.
How to Choose a College - Forbes.com
All National Universities
Harvard University 1
Yale University 2
Princeton University 3
University of Chicago 4
Brown University 5
Columbia University 6
California Institute of Technology 7
Stanford University 8
Northwestern University 9
Dartmouth College 10
Boston College 11
University of Pennsylvania 12
Southern Methodist University 13
Cornell University 14
Duke University 15
University of Notre Dame 16
Massachusetts Institute of Technology 17
Johns Hopkins University 18
Wake Forest University 19
Emory University 20