Guidelines for the development of secondary school science programs and facilities which will aid in the review of existing and proposed programs and in adapting classroom instruction to the needs of individual pupils. Science facilities are emphasized including space requirements, classrooms, laboratories, utilities, furniture, and audiovisual materials. Basic lists of necessary equipment are given for general science, biology, chemistry, physics and earth science, as well as supplementary lists for enriched programs in those fields. The appendix includes a bibliography of books and periodicals dealing with science teaching plus suggested classroom, laboratory, and combined classroom-laboratory floor plans. (NI)