Researchers, consulting professionals, and advocating agencies agree that school facility design is one essential component to a safe and successful school. This document addresses design-related concepts that can positively affect school climate and order. It describes and provides facility planning guidelines for crime prevention through environmental control in the following areas: access control; natural surveillance; formal surveillance; territoriality; defensible space; target hardening; and program interaction. Guidelines also address issues on school size, schools-within-schools, health and life safety, and school climate and order. (Contains 30 references.) (GR)