This document seeks to synthesize, integrate, and make available to school personnel solid information regarding Crime Prevention through Environmental Design (CPTED). Chapter 1, "The Changed Landscape of School Safety and Security," examines characteristics of safe and unsafe schools, causes of vulnerability, and the role of design and technology in creating safer schools. Chapter 2, "The Relevance of CPTED as a Strategy for Improving Schools," explores the international use of this approach and environmental design issues in recent school tragedies. Chapter 3, "Key CPTED Concepts and Principles," surveys essential program components. Chapter 4, "Site Evaluation: The Foundation for Improving School Safety and Security," is the main part of the book and provides specific recommendations, information, and forms for conducting a CPTED site assessment. Chapter 5, "Case Study Applications of CPTED Principles," reviews successful program applications. Chapter 6, "The Role of Architects in School Design," considers the experience professionals bring to design safety in such areas as codes and designing blueprints. Chapter 7, "Policy Recommendations for School Districts," offers boards and administrators information about CPTED programs for improving school security. (Contains 50 recommended resources and two appendices, an assessment tool, and an Oregon School Safety Survey. Bibliography contains 35 sources.) (TEJ)