NASM

NASM is an association of approximately 636 schools of music, primarily at the collegiate level, but also including postsecondary non-degree-granting schools of music.
It is the national accrediting agency for music and music-related disciplines.
The Association also provides information to the public. It produces statistical research, provides professional development for leaders of music schools, and engages in policy analysis.
http://nasm.arts-accredit.org/