Librarians have been a part of our society for more than a hundred years. The first official school for people that wanted to become librarians in the USA opened in 1887. The father of the famous Dewey Decimal System, Melvil Dewey, was actively involved in that school.
Nowadays, if you want to become a librarian, you will have to undergo a certain educational path. Most librarians have an American Library Association (ALA) approved degree, but many others do not. Deciding on what school to go to and what type of degree to pursue to become a librarian is a complex issue.
Here are some resources on librarian education: