What organization accredits colleges and universities in the United States?

In the United States, the quality of colleges and universities is primarily assured not by a single government body, but through a system of independent, non-governmental organizations known as accrediting agencies. This decentralized approach to quality assurance has deep historical roots, with regional accreditation emerging in the late 19th and early 20th centuries. These agencies were formed by educational institutions themselves to establish consistent academic standards, facilitate the transfer of student credits, and ensure a baseline of quality in an expanding higher education landscape.

Regional accrediting agencies traditionally oversee institutions within defined geographic areas of the country, although their explicit geographical boundaries were eliminated in 2020. These agencies conduct comprehensive peer-review processes, evaluating an entire institution's academic programs, faculty credentials, student support services, and financial stability against rigorous standards. Achieving regional accreditation is a critical mark of quality, providing assurance to students, employers, and other institutions that a college or university meets a high level of educational excellence. It is also often a prerequisite for institutions to be eligible for federal financial aid programs.

While the U.S. Department of Education officially unified institutional accreditors in 2020, the terms "regional" and "national" accreditation are still widely used to distinguish between different types of institutional focus and academic rigor. Regional accreditation is generally considered the most prestigious and widely recognized form of accreditation for traditional academic colleges and universities. This longstanding, peer-governed system plays a vital role in maintaining the integrity and diverse educational opportunities within American higher education, ensuring degrees are valued and credits are transferable across institutions.