A librarian's career path can take several routes, so potentially any undergratuate degree could be useful in pursuing a career in librarianship. Most librarian positions require a graduate degree. The Center for Career Planning has more information on planning for graduate school on their website.
Library school degrees can have several names, including a Masters of Library Science or a Master of Library and Information Studies, among others. The American Library Association maintains a list of accredited library school programs on their website, which you can search here. Degree programs vary, and include both full and part-time programs, as well as traditional and online courses.
While planning for a future as a librarian, you'll need to ask yourself a few questions.
A career in librarianship can take many paths. Here are a few examples:
Librarians and archivists have skills that make them desired employees outside the traditional library setting. Vendors, publishers, corporations, and consulting firms are just some of these non-traditional employers.
Learn more about potential careers in libraries at the American Library Association's Careers in Librarianship site.