Fourth grade reading scores tend to be higher for Michigan elementary schools whose school libraries report:higher numbers and weekly hours of total library staff and librarians in particular;being open more hours per week;library staff spending more time on motivating readers, developing collections, meeting with other librarians, teaching information literacy skills, and planning with teachers;larger collections of print volumes and video materials and, to a lesser extent, audio materials and software packages;more availability of computers—both in the library and throughout the school—that provide links to Access Michigan, library catalogs and licensed databases, and the Internet and the World Wide Web;more group visits, more individual and group visits for information literacy instruction, and higher circulation per week; andspending more on library operations.