According to the US.

Librarian degree. To complete the Degree you need to. A masters degree in library science MLS preferably from an American Library Association ALA accredited program is necessary for most librarian positions in most public academic and special libraries. The degree required is the MLS Master of Library Science.

For example a career as a School Librarian specifically in the Pre-K through the 12th grade a masters degree with a specialty in School Librarianship is needed. A Masters degree from an ALA-accredited Library and Information Studies program prepares you for a professional career in library and information science. Librarianship means digging in and getting your hands dirtyit means learning and relearning and sometimes unlearning constantly.

You can qualify as a librarian either by studying for a university qualification or by working as a library assistant and doing work-based training. The remainder of the course is composed of your choice of option. Undergraduate degrees in library science are available but not required so really any bachelors degree can provide a foundation for building a librarian career.

School librarians may also need to meet state teaching license standards. Choosing an ALA-Accredited Program. Compulsory or core modules including a 30 credit dissertation.

Licensure is typically required for librarians in public. To get on a degree you need five GCSEs A-C including maths English and science and at least two A levels. Additional requirements for school librarians may include a teaching certificate though requirements vary by state.

Do you need a degree to work in a library. For example those interested in becoming a school librarian can get a bachelors degree in education along with teaching credentials. Also pertinent is the degree to come from a college accredited by the American Association of School Librarians AASL.