Even though fair use is the most well known exception to copyright, it is not the only one. Below are a few additional exceptions. You can find even more in 17 U.S.C. §§ 107–112.
17 U.S.C. 110(1) and (2): Classroom exceptions
Copyright law has specific exceptions for some types of uses of works associated with teaching.
17 U.S.C. § 110(1) permits the performance or display of legally licensed/purchased works, for strictly and directly pedagogical purposes relevant to the course, in face-to-face classes at nonprofit educational institutions.
17 U.S.C. § 108 permits some reproduction by libraries and archives, including:
Section 108(b) allows for the reproduction of unpublished works for preservation if the work is in the library collections and not distributed or made available to in digital form outside of the library or archive:
Section 108(c) allows for the reproduction of published works for replacement of damaged copies or copies in obsolete formats if the library or archives cannot obtain it at a fair price and if the work is not made available in digital format to the public outside of the library.
Section 109(a) permits owners of lawfully acquired copies of works to sell or otherwise dispose of those works without permission of the creator or current owner of the copyright. This allows you to sell old CDs to second-hand stores, and it allows libraries to lend out the books on their shelves.
Section 109(b) narrows the scope of 109 by prohibiting the renting of sound recordings and computer software.
17 U.S.C. § 110 has a number of other exceptions beyond the classroom exception, including:
Section 110(5) permits some performances and displays by places like restaurants and cafes, but only using a limited number of speakers and using basic technology.
Section 110(7) allows places like music stores to play music to promote sales of the works.
Section 110(8) permits performances of works for blind or deaf people, if the performance is made without direct or indirect commercial advantage.