The purpose of this updated bulletin is to assist those interested in the planning process for elementary and secondary educational facilities. It contains input from educators at all levels, as well as from directors and supervisors of school plant planning and operations, specialists in educational programs, and architects and professional engineers. All space designations, areas, and dimensions are intended only as guidelines. The bulletin deals with needs assessments, preliminary planning, planning and contracting, site selection and acquisition, building characteristics, types of construction, fenestration, insurance, construction standards and life safety codes, service systems, instructional space requirements, and space requirements of common-use areas. An appendix contains the legal procedure for issuing school building and equipment bonds. A bibliography and a glossary of construction industry terms are also included. (Author/IRT)