American College Personnel Association - College Student Educators International is a major student affairs association headquartered in Washington, D.C. at the National Center for Higher Education.Founded in 1924 by May L. Cheney, ACPA has 7,500 members representing 1,200 private and public institutions from across the U.S. and around the world. Members include organizations and companies that are engaged in the campus marketplace. Members also include graduate and undergraduate students enrolled in student affairs/higher education administration programs, faculty, and student affairs professionals, from entry level to senior student affairs officers.