| CountOfUser ID | Full institution name |
| 828 | Harvard |
| 695 | University of Wisconsin-Madison |
| 675 | UC Berkeley |
| 648 | University of Pennsylvania |
| 602 | Indiana University |
| 589 | Stanford University |
| 536 | Iowa State University |
| 533 | University of Illinois at Urbana-Champaign |
| 481 | Pennsylvania State University |
| 470 | Purdue University |
| 469 | University of Texas - Austin |
| 466 | University of Minnesota |
| 454 | University of Rochester |
| 453 | University of Pittsburgh |
| 450 | University of Michigan |
| 426 | Ohio State University at Columbus |
| 417 | University of Alberta |
| 396 | University of Chicago |
| 395 | MIT |
| 376 | Yale University |
| 348 | University of Toronto |
| 345 | Columbia University |
| 322 | Texas A&M University |
| 301 | Duke University |
| 297 | University of Kentucky |
| 273 | Northwestern University |
| 264 | University of Illinois at Chicago |
| 247 | SUNY Stony Brook |
| 246 | University of Virginia |
| 239 | University of North Carolina at Chapel Hill |
| 238 | Wayne State University |
| 226 | Georgia Tech |
| 201 | Michigan State University |
| 197 | UC San Diego |
| 190 | SUNY Buffalo |
| 180 | University of Washington |
| 179 | Johns Hopkins University |
| 175 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 174 | North Carolina State |
| 172 | Vanderbilt |
| 158 | University of Calgary |
| 134 | New York University |
| 112 | Case Western University |
| 106 | University of Connecticut |
| 104 | University of Western Ontario |
| 103 | University of Iowa |
| 100 | Simon Fraser University |
| 91 | University of Massachusetts |
| 83 | Montana State University |
| 82 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 81 | Washington University |
| 80 | Northeast Louisiana University |
| 78 | University of Waterloo |
| 75 | Georgetown University |
| 66 | University of Cinncinnati |
| 57 | Kent State |
| 57 | North Dakota University |
| 52 | University of Chicago (old CrossfirePlusReactions login) |
| 48 | Purdue University (old CrossfirePlusReactions login) |
| 48 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 45 | Worcester Polytechnic Institute |
| 41 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 41 | Wayne State University (old CrossfirePlusReactions login) |
| 37 | Washington University (evaluation login) |
| 35 | Michigan State University (old CrossfirePlusReactions login) |
| 25 | Iowa State University (old CrossfirePlusReactions login) |
| 22 | University of Connecticut (evaluation login) |
| 21 | University of Saskatchewan |
| 18 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 16 | Virginia Tech |
| 15 | University of Rochester (Evaluation login) |
| 15 | George Mason University |
| 14 | Wayne State University (old vanilla Crossfire login) |
| 10 | University of Wisconsin-System/Center campuses |
| 5 | University of Michigan (old CrossfirePlusReactions login) |
| 4 | Mercer University |
| 3 | University of Michigan (old vanilla Crossfire login) |
| 3 | University of Illinois at Chicago (old vanilla Crossfire login) |