| Ohio State University |
38,396 |
| University of Iowa |
32,409 |
| UC Davis |
32,105 |
| University of Michigan |
30,949 |
| The University of Georgia |
26,744 |
| University of Wisconsin-Madison |
20,993 |
| Florida State University |
20,923 |
| University of Minnesota |
19,712 |
| University of Washington |
19,710 |
| University of Rochester |
17,518 |
| Arizona State University |
12,939 |
| The University of Western Ontario |
10,407 |
| The University of Montana |
10,330 |
| University of Nebraska |
9,746 |
| National University of Singapore |
9,619 |
| Queensland University of Technology |
8,812 |
| Southern Illinois University |
8,681 |
| Duke University |
8,610 |
| North Carolina State University |
8,419 |
| University of Texas Health Science Center at San Antonio |
7,554 |
| University of Delaware |
7,476 |
| University of Alabama at Birmingham |
6,531 |
| University of Florida |
6,328 |
| University of Connecticut |
6,286 |
| University of Colorado Denver |
6,162 |
| Michigan State University |
6,114 |
| San Jose State University |
5,983 |
| University of Illinois at Chicago |
5,928 |
| University of South Australia |
5,875 |
| University of Tasmania |
5,788 |
| University of Colorado System |
5,627 |
| Florida Atlantic University |
5,533 |
| University of Otago |
5,388 |
| Old Dominion University |
5,325 |
| State University of New York, University at Buffalo |
4,802 |
| University of Akron |
4,799 |
| Oklahoma State University |
4,677 |
| University of Central Florida |
4,526 |
| University of Hawaii |
4,266 |
| Flinders University |
4,256 |
| Louisiana State University |
4,176 |
| Medicine, Nursing and Health Sciences - Monash University |
4,015 |
| University Illinois Urbana Campus |
3,938 |
| The University of Western Australia |
3,831 |
| University of Strathclyde |
3,726 |
| Deakin University |
3,718 |
| DePaul University |
3,539 |
| Washington State University |
3,517 |
| Cleveland State University |
3,329 |
| University of Nevada, Las Vegas |
3,292 |
| Suffolk County Community College |
3,189 |
| Hillsborough County Public Schools |
3,154 |
| University of Arkansas |
3,120 |
| University of Texas Arlington |
2,998 |
| National Research Council Canada |
2,982 |
| Indiana University |
2,873 |
| Montana State University |
2,869 |
| George Mason University |
2,747 |
| Seattle University |
2,681 |
| Swinburne University of Technology |
2,601 |
| Griffith University |
2,549 |
| Brigham Young University |
2,524 |
| Boston College |
2,497 |
| Smith College |
2,408 |
| Board Education Prince George County |
2,289 |
| Marquette University |
2,248 |
| Pratt Institute |
2,232 |
| City College of San Francisco |
2,161 |
| Harrisburg Area Community College |
2,118 |
| California State University, Sacramento |
2,042 |
| West Virginia University |
2,039 |
| Eastern Washington University |
1,717 |
| Georgetown University |
1,701 |
| North Carolina Central University |
1,688 |
| Fairleigh Dickinson University |
1,661 |
| Eugene School District 4-j |
1,623 |
| University of Massachusetts |
1,606 |
| Autodesk, Inc. |
1,591 |
| Loyola Marymount University |
1,591 |
| University of Wisconsin LaCrosse |
1,568 |
| The University of Maryland, Baltimore County |
1,462 |
| University of South Florida |
1,411 |
| Broward Community College |
1,406 |
| United States Department of Education |
1,362 |
| Drexel University |
1,343 |
| ARAMARK Corporation |
1,319 |
| Emerson College |
1,288 |
| State College Area School District |
1,285 |
| University of Northern Colorado |
1,264 |
| University of North Texas |
1,178 |
| Valencia Community College |
1,154 |
| Oklahoma City Community College |
1,145 |
| Coast Community College District |
1,132 |
| State of California, Department of Education |
1,125 |
| University of Winnipeg |
1,097 |
| KinderCare Learning Centers, Inc. |
1,038 |
| Western Carolina University |
1,017 |
| Broward County Public Schools |
1,009 |
| University of Puget Sound |
1,001 |
| Roger Williams University |
907 |
| Capilano College |
900 |
| George Brown College |
893 |
| Slippery Rock University |
888 |
| Simmons College |
885 |
| George Washington University |
869 |
| Western Oregon University |
845 |
| University of West Florida |
827 |
| Chemeketa Community College |
788 |
| Houston Independent School District |
777 |
| Cuyahoga Community College |
772 |
| New York Institute of Technology |
770 |
| University of Oregon |
769 |
| Burlington County College |
760 |
| Santa Barbara City College |
730 |
| University of Arkansas for Medical Sciences |
715 |
| Clark Atlanta University |
676 |
| Dawson College |
663 |
| University of Saskatchewan |
662 |
| University of Phoenix |
662 |
| Bryant University |
656 |
| Tufts University |
634 |
| American Heart Association |
633 |
| Coppin State University |
613 |
| Texas State Tech College |
600 |
| LGCA |
597 |
| Green River Community College |
586 |
| Yuba College |
571 |
| Saint Michael's College |
563 |
| The Scripps Research Institute |
562 |
| Linfield College-Portland |
558 |
| Southwest Research Institute |
544 |
| Century College |
542 |
| Woods Hole Oceanographic Institute |
540 |
| Desert Research Institute |
538 |
| County College of Morris |
535 |
| Abilene Christian University |
518 |
| Seattle Pacific University |
498 |
| Schoolwires |
489 |
| Kaplan Inc. |
484 |
| Florida Department of Education |
481 |
| Los Angeles Community College District |
474 |
| Ocean County College |
472 |
| Highline Community College |
465 |
| Oklahoma City University |
459 |
| Hennepin Technical College |
456 |
| Eastern Iowa Community College District |
443 |
| Wentworth Institute of Technology |
442 |
| Eastern Oregon University |
441 |
| Southern Utah University |
438 |
| Western University of Health Sciences |
438 |
| A.D.A.M., Inc. |
436 |
| Monash University |
430 |
| SUNY Upstate Medical University |
407 |
| Australian National University (The) |
403 |
| Hillsborough Community College |
403 |
| Littleton Public Schools |
401 |
| Milton Academy |
399 |
| University of St. Thomas - Minnesota |
383 |
| Family Resource Ctr |
380 |
| Region 7 Education Service Center |
368 |
| Educational Testing Service |
367 |
| College of the Redwoods |
366 |
| Houghton Mifflin Harcourt Company |
363 |
| Carroll University |
363 |
| Concordia University of Portland |
354 |
| Central Oregon Community College |
347 |
| Drexel University College of Medicine |
339 |
| National Academy of Science |
335 |
| Educational Service Unit 10 |
335 |
| North Carolina Agricultural and Technical State University |
334 |
| Santa Clara University |
332 |
| Hagerstown Community College |
331 |
| Sacramento County Office of Education |
328 |
| Park University |
322 |
| Texas State Technical College- Harlingen |
321 |
| Graceland University |
316 |
| Res-Care, Inc. |
314 |
| Blackboard Inc. |
305 |
| ITT Technical Institute |
296 |
| Harvard University Law School |
296 |
| College of Mount St. Joseph |
288 |
| Baruch College |
283 |
| Cal Arts |
282 |
| Fox Chase Cancer Center |
279 |
| St Martins College |
271 |
| Raritan Valley Community College |
264 |
| CSC Illinois |
258 |
| Heidelberg College |
257 |
| SunGard Higher Education |
252 |
| Three Rivers Community Schools |
250 |
| University of Guelph-Humber |
245 |
| Northeast Community College |
244 |
| Knowledge Learning Corporation |
242 |
| Loyola Academy |
242 |
| San Diego Supercomputer Center |
240 |
| Harcourt Education |
237 |
| Park County School District 6 |
228 |
| Amherst College |
223 |
| Center for Educational Technologies |
222 |
| Robert E De Nier Youth Svc Ctr |
218 |
