| CountOfUser ID | Full institution name |
| 865 | UC Berkeley |
| 783 | University of Wisconsin-Madison |
| 747 | Harvard |
| 646 | University of Michigan |
| 646 | Purdue University |
| 587 | University of Minnesota |
| 543 | University of Kentucky |
| 541 | University of Pennsylvania |
| 530 | Ohio State University at Columbus |
| 495 | Stanford University |
| 483 | University of Pittsburgh |
| 483 | University of Rochester |
| 470 | MIT |
| 452 | University of Chicago |
| 415 | University of Illinois at Chicago |
| 412 | Iowa State University |
| 408 | University of Texas - Austin |
| 404 | SUNY Stony Brook |
| 393 | Texas A&M University |
| 340 | Indiana University |
| 331 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 323 | Yale University |
| 320 | Michigan State University |
| 314 | Pennsylvania State University |
| 303 | University of Alberta |
| 299 | University of Illinois at Urbana-Champaign |
| 298 | Vanderbilt |
| 278 | University of Toronto |
| 274 | UC San Diego |
| 245 | Montana State University |
| 244 | Georgia Tech |
| 217 | University of Calgary |
| 213 | University of Washington |
| 211 | University of Virginia |
| 209 | Northwestern University |
| 191 | Johns Hopkins University |
| 189 | Duke University |
| 188 | University of North Carolina at Chapel Hill |
| 151 | North Carolina State |
| 150 | Washington University |
| 149 | New York University |
| 145 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 131 | University of Waterloo |
| 124 | Wayne State University |
| 110 | Case Western University |
| 107 | Georgetown University |
| 105 | University of Connecticut |
| 101 | Kent State |
| 88 | University of Massachusetts |
| 78 | University of Wisconsin-System/Center campuses |
| 78 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 73 | SUNY Buffalo |
| 72 | Purdue University (old CrossfirePlusReactions login) |
| 70 | University of Chicago (old CrossfirePlusReactions login) |
| 57 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 52 | University of Cinncinnati |
| 51 | University of Western Ontario |
| 45 | Mercer University |
| 31 | University of Saskatchewan |
| 27 | Michigan State University (old CrossfirePlusReactions login) |
| 26 | Wayne State University (old CrossfirePlusReactions login) |
| 24 | University of Connecticut (evaluation login) |
| 22 | Iowa State University (old CrossfirePlusReactions login) |
| 21 | Northeast Louisiana University |
| 11 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 10 | Washington University (evaluation login) |
| 6 | University of Michigan (old CrossfirePlusReactions login) |
| 6 | Wayne State University (old vanilla Crossfire login) |
| 5 | Virginia Tech |
| 4 | George Mason University |
| 4 | University of Rochester (Evaluation login) |
| 1 | Northwestern University (old CrossfirePlusReactions login) |
| 1 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 1 | University of Michigan (old vanilla Crossfire login) |