| Subcategories | | MacMurray College@ | Macalester College@ | Maine-Orono, University of@ | Manchester College@ | Mankato State University@ | Marietta College@ |
| Marquette University@ | Marshall University@ | Mary Washington College@ | Maryland-Baltimore County, University of@ | Maryland-Eastern Shore, University of@ | Marymount University@ |
| Massachusetts-Dartmouth, University of@ | Memphis, University of@ | Mercer University@ | Mesa State College@ | Metropolitan State College of Denver@ | Miami, University of@ |
| Miami University@ | Michigan, University of@ | Michigan State University@ | Middle Tennessee State University@ | Millikin University@ | Minnesota-Crookston, University of@ |
| Minnesota-Duluth, University of@ | Minnesota-Morris, University of@ | Minnesota-Twin Cities, University of@ | Minnesota State University, Mankato@ | Minnesota State University, Moorhead@ | Mississippi, University of@ |
| Mississippi College@ | Mississippi State University@ | Mississippi Valley State University@ | Missouri-Columbia, University of@ | Missouri-Kansas City, University of@ | Missouri-Rolla, University of@ |
| Missouri-St. Louis, University of@ | Missouri Southern State College@ | Monmouth College@ | Monmouth University@ | Montana, University of@ | Montana State University-Billings@ |
| Montana State University-Bozeman@ | Morehead State University@ | Morningside College@ | Mount Holyoke College@ | Mount Saint Joseph, College of@ | Mount Union College@ |
| Murray State University@ | Muskingum College@ |
