20 15 American news American public university ranking 1 University of California, Berkeley, Berkeley, 2 University of California, Los Angeles, Los Angeles 2 University of Virginia University of Virginia 4 University of Michigan Ann Arbor University of Michigan Ann Arbor 5 University of North Carolina at Chapel Hill 6 College of William and Mary 6 University of California at Davis 6 University of California at San Diego 9 Georgia Institute of Technology Georgia Institute of Technology 10 University of California at Santa Barbara/ Kloc-0/0 University of Wisconsin at Madison 12 University of California at Irvine at Irvine 13 Pennsylvania State University-University Park 13 University of Illinois at Urbana-Champaign at Urbana 13 University of Texas at Austin 1 3 University of Washington (Seattle) 17 Xue 2 1 University of Georgia) 23 Purdue University-Purdue University in West lafayette West lafayette Campus 23 Texas A & amp； Texas A&M University 25 Clemson University 25 Rutgers Clemson University

New Jersey State University-New Brunswick New Jersey State University New Brown University 27 University of Minnesota-Twin Cities University of Minnesota Twin Cities 28 University of Iowa 28 Virginia Tech Virginia Tech 30 Michigan State University Michigan State University 3 1 University of Delaware 32 colorado school of mines 32 SUNY College of Environmental Science and Forestry new york State University Environmental Science and Forestry 32 University of Alabama 32 University of California-University of California, Santa Cruz 36 Indiana University-bloomington Indiana University bloomington 37 Auburn University Auburn University 37 Binghamton University-SUNY State University new york University Binghamton University 37 Miami University-Oxford University Miami Oxford University 40 storni Brucuny University-SUNY State University at Stony Brook 40 university of vermont 42 Florida State University Florida State University 42 Colorado University- University of Colorado at Boulder 42 Massachusetts Institute of Technology-University of Massachusetts at amherst in amherst 42 University of Missouri 46 Iowa State University 46 University of California-University of California at Riverside 46 University of Nebraska-University of Nebraska at Lincoln 46 University of Oklahoma 46 University of Tennessee 5 1 North Carolina State University-North Carolina State University in Raleigh 5 1 University of Buffalo -SUNY State University at Buffalo 5 1 University of Kansas 5 1 University of New Hampshire 5 Rutgers University, New Jersey State University-Newark Rutgers, New