Accreditation & State Authorization

Distance Education Accrediting Commission

DEAC LogoColumbia Southern University is accredited by the Distance Education Accrediting Commission (DEAC). CSU has maintained accreditation since it was initially granted on January 15, 2001 and received its most recent renewal of accreditation through January 2021. All CSU programs have been reviewed and approved by DEAC. The DEAC is listed by the U.S. Department of Education as a recognized agency, and is recognized by the Council for Higher Education Accreditation (CHEA). CHEA is a nonprofit organization serving as a national advocate for self-regulation of academic quality through accreditation.

CHEA Distance Education Accrediting Commission
1101 17th Street NW, Suite 808
Washington, DC 20036
Phone: 202-234-5100
Fax: 202-332-1386

DEAC Accreditation Certificate pdf

Archived DEAC Accreditation Certificates

DEAC Student Achievement Disclosure for the Public pdf

Higher Education Related Memberships

American Council on Education
CSU is an institutional member of the American Council on Education (ACE), a major higher education coordinating body that influences public policy through advocacy, research, and program initiatives. ACE membership is open to accredited degree-granting colleges and universities, and higher education associations within the United States.

For information on state authorization, please visit

For information on registering a complaint, please visit