Colleges can be independent schools, and many universities also have their own subordinate secondary colleges (departments) or independent colleges established by ordinary universities in cooperation with social organizations or individuals other than state institutions. College mainly refers to higher education institutions with fewer disciplines and stronger professionalism.

There are two different types of secondary colleges. First, it refers to the secondary teaching units of ordinary colleges and universities, which are not qualified to enroll students independently and issue diplomas. Second, it refers to the secondary colleges at the undergraduate level organized by some ordinary colleges and universities in accordance with the new mechanism and model, that is, independent colleges, also known as independent secondary colleges.

It is worth noting that secondary colleges are not independent colleges. Independent colleges have independent campuses and basic school facilities, implement relatively independent teaching organization and management, enroll students independently, issue academic certificates independently, and conduct independent financial accounting. Having the qualification of an independent legal person and being able to bear civil liabilities independently.