| CountOfUser ID | Full institution name |
| 2056 | Stanford University |
| 1473 | University of Michigan |
| 1331 | Michigan State University |
| 1071 | Pennsylvania State University |
| 832 | University of Minnesota |
| 824 | University of Wisconsin-Madison |
| 774 | University of Illinois at Chicago |
| 761 | Harvard |
| 747 | University of California Berkeley |
| 674 | Indiana University |
| 606 | University of Pennsylvania |
| 547 | University of Alberta |
| 544 | University of Pittsburgh |
| 532 | MIT |
| 522 | Purdue University |
| 510 | Yale University |
| 494 | University of California San Diego |
| 478 | University of Toronto |
| 472 | University of Texas - Austin |
| 409 | Wayne State University |
| 407 | University of Rochester |
| 399 | University of Chicago |
| 399 | Ohio State University at Columbus |
| 384 | Iowa State University |
| 376 | University of Virginia |
| 365 | University of Illinois at Urbana-Champaign |
| 351 | Columbia University |
| 327 | University of Kentucky |
| 319 | University of Western Ontario |
| 305 | SUNY Stony Brook |
| 300 | Vanderbilt |
| 292 | Texas A&M University |
| 285 | SUNY Buffalo |
| 271 | Northwestern University |
| 268 | Virginia Commonwealth University |
| 260 | Johns Hopkins University |
| 221 | Duke University |
| 220 | University of North Carolina at Chapel Hill |
| 215 | University of Calgary |
| 191 | Georgia Tech |
| 186 | Washington University |
| 185 | University of Connecticut |
| 179 | North Carolina State |
| 157 | University of Illinois at Urbana/Champaign (old CrossfirePlusReactions login) |
| 130 | Virginia Tech |
| 130 | New York University |
| 120 | University of Washington |
| 120 | Montana State University |
| 112 | University of Massachusetts |
| 105 | Case Western University |
| 100 | University of Iowa |
| 99 | North Dakota University |
| 91 | Kent State |
| 84 | Purdue University (old CrossfirePlusReactions login) |
| 80 | University of Wisconsin-System /Center campuses (old CrossfirePlusReactions login) |
| 80 | Georgetown University |
| 80 | University of Cinncinnati |
| 76 | Queens University, Kingston Ontario |
| 72 | University of Wisconsin-Madison (old CrossfirePlusReactions login) |
| 70 | Mercer University |
| 64 | University of Saskatchewan |
| 60 | University of California Davis |
| 51 | University of Chicago (old CrossfirePlusReactions login) |
| 42 | Worcester Polytechnic Institute |
| 41 | George Mason University |
| 40 | Wayne State University (old CrossfirePlusReactions login) |
| 33 | University of Illinois at Chicago (old vanilla Crossfire login) |
| 33 | Northeast Louisiana University |
| 32 | Simon Fraser University |
| 30 | Ohio State University at Columbus (old CrossfirePlusReactions login) |
| 26 | Michigan State University (old CrossfirePlusReactions login) |
| 20 | Iowa State University (old CrossfirePlusReactions login) |
| 12 | University of New Brunswick |
| 9 | Pennsylvania State University (old CrossfirePlusReactions login) |
| 7 | University of Wisconsin-System/Center campuses |
| 7 | California Institute of Technology |
| 3 | University of Michigan (old CrossfirePlusReactions login) |
| 2 | University of Michigan (old vanilla Crossfire login) |
| 1 | Northwestern University (old CrossfirePlusReactions login) |