Pratt Institute School of Information (SI or iSchool), previously School of Information and Library Science (SILS), administers the oldest Library and Information Science program in North America. It was created in Brooklyn, New York City, in 1890 shortly after Melvil Dewey created such a program at Columbia University in 1887. Pratt School of Information is one of the six schools of Pratt Institute. Based in Manhattan, the school administers a master of information and library science degree program that has been accredited by the American Library Association since the 1924/1925 academic year.