Here’s the list by most students attending:

University of Virginia (116)
William & Mary (34)
Virginia Tech (27)
Duke (25)
Princeton (14)
Carnegie-Mellon (11)
MIT (10)
Cornell (8)
Dartmouth (8)
Nortre Dame (8)
Stanford U (7)
University of Southern California (5)
Johns Hopkins U (4)
NYU (4)
University of California-Berkeley (4)
University of North Carolina (4)
University of Pennsylvania (4)
Boston University (3)
Brown University (3)
George Mason U (3)
Harvard (3)
James Madison U (3)
Oberlin College (3)
Olin COllege of Engineering (3)
Rice U (3)
Swarthmore (3)
University of Chicago (3)
Yale University (3)
Cal Tech (2)
Case Western Reserve (2)
Columbia (2)
Emory (2)
Florida Tech (2)
George Washington U (2)
Georgia Tech (2)
Hope College (2)
McGill U (2)
Montreal U (2)
Northwestern (2)
Penn State (2)
University of Delaware (2)
University of Michigan (2)
Virginia Commonwealth University (2)
Wake Forest U (2)
Washington University of St Louis (2)
Wellesley (2)
American University (1)
Arizona State University (1)
Baylor Univeristy (1)
Brandeis University (1)
Brigham Young University (1)
Calvin College (1)
Cambridge University (1)
Carleton College (1)
Christopher Newport U (1)
Clemson U (1)
Colby College (1)
Davidson College (1)
Drexel U (1)
Emerson College (1)
Georgetown (1)
Haverford College (1)
Lehigh U (1)
Lenoir-Rhyne College (1)
Loyola U/New Orleans (1)
Mary Washington (1)
Northern VA Community College (1)
Ohio U (1)
Oxford U (1)
Rensselear (RPI) (1)
Saint Andrews U (1)
SouthernMethodist U (1)
Texas A&M (1)
Tulane (1)
University of Arizona (1)
UCLA (1)
University of Florida (1)
University of Georgia (1)
University of Illinois (1)
University of Kentucky (1)
University of Pittsburgh (1)
University of Rochester (1)
University of Texas-Austin (1)
University of Waterloo (1)
University of Washington (1)
Vanderbilt University (1)
West Virginia University (1)
Wheaton College (1)