| CountOfUser ID | Full institution name |
| 882 | Pennsylvania State University |
| 815 | University of California Berkeley |
| 742 | Harvard |
| 724 | University of Michigan |
| 588 | University of Wisconsin-Madison |
| 577 | Stanford University |
| 562 | University of Texas - Austin |
| 543 | University of Minnesota |
| 503 | University of Alberta |
| 485 | MIT |
| 473 | University of Pennsylvania |
| 453 | University of Toronto |
| 451 | Michigan State University |
| 438 | Yale University |
| 418 | University of Illinois at Chicago |
| 413 | University of Pittsburgh |
| 397 | Purdue University |
| 390 | University of Illinois at Urbana-Champaign |
| 354 | Indiana University |
| 353 | Ohio State University at Columbus |
| 349 | University of Chicago |
| 339 | Columbia University |
| 291 | Wayne State University |
| 274 | Iowa State University |
| 271 | University of North Carolina at Chapel Hill |
| 261 | University of Kentucky |
| 260 | SUNY Buffalo |
| 239 | University of California San Diego |
| 236 | University of Rochester |
| 233 | SUNY Stony Brook |
| 231 | Texas A&M University |
| 230 | Johns Hopkins University |
| 226 | North Carolina State |
| 219 | Georgia Tech |
| 205 | University of Virginia |
| 203 | University of Calgary |
| 201 | Vanderbilt |
| 197 | Duke University |
| 191 | Northwestern University |
| 170 | Washington University |
| 153 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 145 | Virginia Tech |
| 130 | University of Iowa |
| 124 | Montana State University |
| 124 | New York University |
| 123 | University of Western Ontario |
| 116 | University of Connecticut |
| 110 | Georgetown University |
| 98 | Case Western University |
| 98 | Kent State |
| 96 | Purdue University (old CrossfirePlusReactions login) |
| 91 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 84 | University of Washington |
| 82 | University of Cinncinnati |
| 77 | University of Massachusetts |
| 72 | North Dakota University |
| 68 | George Mason University |
| 51 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 50 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 46 | Wayne State University (old CrossfirePlusReactions login) |
| 42 | University of Saskatchewan |
| 38 | Michigan State University (old CrossfirePlusReactions login) |
| 38 | University of Chicago (old CrossfirePlusReactions login) |
| 35 | Simon Fraser University |
| 30 | Northeast Louisiana University |
| 28 | Worcester Polytechnic Institute |
| 21 | University of Michigan (old vanilla Crossfire login) |
| 21 | Mercer University |
| 19 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 14 | Iowa State University (old CrossfirePlusReactions login) |
| 14 | Queens University, Kingston Ontario |
| 8 | University of Wisconsin-System/Center campuses |
| 6 | University of Michigan (old CrossfirePlusReactions login) |
| 5 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 2 | Wayne State University (old vanilla Crossfire login) |