Here are the list of top 10 colleges where most students study abroad.
Goucher College (MD) 100 110, National Liberal Arts Colleges 
Soka University of America (CA) 100 49, National Liberal Arts Colleges 
Queens University of Charlotte (NC) 94 20, Regional Universities (South) 
Loyola University Maryland 84 2, Regional Universities (North) 
Kalamazoo College (MI) 82 68, National Liberal Arts Colleges 
Centre College (KY) 80 52, National Liberal Arts Colleges 
Bethel University (MN) 75 24, Regional Universities (Midwest) 
Elon University (NC) 71 2, Regional Universities (South) 
Carleton College (MN) 70 8, National Liberal Arts Colleges 
University of Denver (CO) 
http://www.usnews.com/education/best-colleges/the-short-list-college/articles/2013/02/26/10-colleges-where-the-most-students-study-abroad