An update to the bestselling first edition, this practical guidebook for implementing a school-wide Response-to-Intervention (RTI) model clearly and concisely presents issues from assessment and decision-making to Tiers I, II, and III interventions. The authors discuss what RTI is and why it is used, how to conduct assessments within an RtI system, and how to create a school-wide organization to facilitate RTI. Curricula, instruction, and intervention strategies for each Tier level covered in detail, and answers to frequently asked questions and tips for getting started are also provided. Each chapter has been extensively revised and updated with the most current research and work in the field. New to this edition are a chapter on RTI in early childhood settings and a section in each chapter focused on considerations for secondary schools. A companion CD includes forms, checklists, reports, and progress monitoring materials to assist practitioners in the implementation of interventions. With this valuable, practical resource, school-based practitioners will be able to put the information they read into action immediately to enhance the implementation of RtI services for their schools and students.