The following is a list of online institutions headquartered in the United States as listed by the College Board or by the Distance Education Accrediting Commission. Some entries may be campus-based but serve the vast majority of their students online. Institutions that have online programs, but are predominantly based on a bricks and mortar campus are not included in this list. Some entries may also maintain accreditation status by a regional accreditation association, in addition to accreditation by the Distance Education Accrediting Commission or the Accrediting Council for Independent Colleges and Schools.