| CountOfUser ID | Full institution name |
| 702 | University of Pennsylvania |
| 688 | Stanford University |
| 532 | Harvard |
| 470 | Indiana University |
| 450 | University of Wisconsin-Madison |
| 346 | Iowa State University |
| 335 | Michigan State University |
| 311 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 306 | UC Berkeley |
| 304 | University of Michigan |
| 302 | Purdue University |
| 270 | University of Pittsburgh |
| 264 | University of Texas - Austin |
| 257 | University of Chicago |
| 250 | University of Illinois at Chicago |
| 225 | Pennsylvania State University |
| 223 | University of Rochester |
| 222 | University of Toronto |
| 204 | Ohio State University at Columbus |
| 186 | Texas A&M University |
| 185 | University of Minnesota |
| 169 | University of North Carolina at Chapel Hill |
| 167 | Vanderbilt |
| 161 | Washington University |
| 153 | Johns Hopkins University |
| 150 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 124 | University of Kentucky |
| 122 | Wayne State University |
| 117 | North Carolina State |
| 111 | University of Alberta |
| 108 | UC San Diego |
| 103 | University of Waterloo |
| 102 | University of Western Ontario |
| 92 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 91 | Northwestern University |
| 90 | University of Washington |
| 89 | Georgia Tech |
| 87 | SUNY Stony Brook |
| 82 | New York University |
| 69 | University of Illinois at Urbana-Champaign |
| 60 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 60 | Georgetown University |
| 52 | University of Massachusetts |
| 46 | Purdue University (old CrossfirePlusReactions login) |
| 44 | University of Chicago (old CrossfirePlusReactions login) |
| 37 | Michigan State University (old CrossfirePlusReactions login) |
| 30 | Northeast Louisiana University |
| 27 | University of Cinncinnati |
| 25 | Iowa State University (old CrossfirePlusReactions login) |
| 24 | University of Connecticut |
| 21 | Georgia Tech (Evaluation login) |
| 18 | Northwestern University (old CrossfirePlusReactions login) |
| 17 | University of Wisconsin-System/Center campuses |
| 15 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 12 | University of Pittsburgh (Evaluation login) |
| 11 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 8 | University of Michigan (old CrossfirePlusReactions login) |
| 6 | University of Texas - Austin (Evaluation login) |
| 6 | Wayne State University (old CrossfirePlusReactions login) |
| 5 | University of Rochester |
| 5 | Wayne State University (old vanilla Crossfire login) |
| 5 | Kent State |
| 5 | Virginia Tech |
| 1 | University of Wisconsin-System/Center campuses(old vanilla Crossfire login) |