This booklet is designed to provide educational administrators and planners with an easy guide to understanding the constantly evolving elements of school technology. The booklet presents a comprehensive overview of modern information systems in schools and how they can enhance the students' learning environment. Seven sections address a variety of topics, including: a basic discussion of computer networks and technology in schools; a description of computer networking with suggestions for infrastructure selection and wiring; computer hardware; concerns regarding the selection, purchase; upgrading and maintenance of computers Internet accessibility, as well as security issues and educational opportunities available on the World Wide Web; integrated communications systems within a school; and design issues, such as electrical wiring and the classroom layout. A short glossary of technological terms is included. (Contains five line drawings and five references.) (CMD)