Participating institutions
- Macalester College
- Manhattan College
- Marian University
- Marietta College
- Marist College
- Marquette University
- Martin Luther College
- Marymount Manhattan College
- Marymount University
- Maryville University
- Massachusetts Institute of Technology (MIT)
- McGill University (Canada)
- McKendree University
- McPherson College
- Memorial University of Newfoundland (Canada)
- Mercyhurst University
- Merrimack College
- Metropolitan State University of Denver
- Miami University
- Michigan State University
- Michigan Technological University
- Minnesota State University Moorhead
- Missouri State University
- Monash University (Australia)
- Montclair State University
- Mount Saint Mary College
- Mount St. Mary's University, Maryland
- Muhlenberg College
