Academic libraries have existed since the 1600s when Harvard and Yale had small collections to support classical education. In the 19th century, libraries shifted to support new teaching methods emphasizing research and independent study. This led to the professionalization of librarianship through library education and trained library staff. Today, academic libraries are staffed by professional librarians, paraprofessionals, and student workers, and their budgets come from the university. School libraries grew more slowly but John Dewey's theories emphasized using libraries to support students' individual growth and experiential learning. School libraries are now staffed by professional and paraprofessional staff and report to school principals, with funding coming from school boards. Both