| CountOfUser ID | Full institution name |
| 706 | University of Wisconsin-Madison |
| 685 | University of Pennsylvania |
| 639 | Harvard |
| 584 | UC Berkeley |
| 542 | Ohio State University at Columbus |
| 539 | University of Michigan |
| 514 | Stanford University |
| 506 | Purdue University |
| 505 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 480 | University of Illinois at Chicago |
| 478 | University of Minnesota |
| 458 | Indiana University |
| 417 | University of Texas - Austin |
| 403 | Iowa State University |
| 378 | University of Pittsburgh |
| 364 | University of Alberta |
| 337 | University of Toronto |
| 331 | University of Kentucky |
| 307 | University of Chicago |
| 305 | Texas A&M University |
| 291 | Mercer University |
| 282 | Pennsylvania State University |
| 280 | University of Rochester |
| 257 | Michigan State University |
| 239 | University of Illinois at Urbana-Champaign |
| 211 | UC San Diego |
| 194 | Vanderbilt |
| 173 | Georgia Tech |
| 168 | Duke University |
| 153 | Washington University |
| 152 | Wayne State University |
| 151 | SUNY Stony Brook |
| 147 | Johns Hopkins University |
| 134 | University of North Carolina at Chapel Hill |
| 133 | North Carolina State |
| 131 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 129 | Northwestern University |
| 116 | Kent State |
| 116 | University of Waterloo |
| 105 | University of Chicago (old CrossfirePlusReactions login) |
| 104 | University of Connecticut |
| 104 | University of Massachusetts |
| 99 | New York University |
| 95 | Montana State University |
| 95 | University of Western Ontario |
| 91 | Case Western University |
| 88 | University of Washington |
| 84 | Purdue University (old CrossfirePlusReactions login) |
| 80 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 68 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 59 | University of Wisconsin-System/Center campuses |
| 59 | Michigan State University (old CrossfirePlusReactions login) |
| 54 | Northeast Louisiana University |
| 39 | University of Cinncinnati |
| 37 | Georgetown University |
| 36 | University of Connecticut (evaluation login) |
| 33 | Wayne State University (old CrossfirePlusReactions login) |
| 28 | Iowa State University (old CrossfirePlusReactions login) |
| 28 | University of Calgary |
| 18 | Northwestern University (old CrossfirePlusReactions login) |
| 16 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 15 | Washington University (evaluation login) |
| 14 | Yale University |
| 12 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 11 | Virginia Tech |
| 9 | Wayne State University (old vanilla Crossfire login) |
| 7 | University of Lethbridge |
| 5 | University of New Brunswick |
| 5 | University of Saskatchewan |
| 4 | University of Michigan (old CrossfirePlusReactions login) |
| 1 | Northwestern University (old vanilla Crossfire login) |
| 1 | University of Rochester (Evaluation login) |
| 1 | Indiana University (old CrossfirePlusReactions login) |