Computer networks meet the needs for instructional programs, management information systems, and library media services in many schools and universities. In most cases, existing telephone lines can be used; however, dedicated lines should be considered if use is likely to be extensive. Planning for network growth is essential. (MLF)

This directory is the fourth in an annual series of Internet guides for educators, librarians, and school administrators, and provides tips on access to, as well as addresses for, online resources that support and enrich the K-12 curriculum and supplement the school library core collection. Sites that help educators develop professionally are also…