Response to Intervention (RTI) is a system for educational redesign based on a hierarchy of interventions which are implemented to meet the needs of students who demonstrate underachievement in core academic areas of literacy and math. This system is usually represented graphically by a pyramid showing three levels or tiers of intervention. Understanding Response to Intervention is a nuts and bolts guide to this system for educational redesign. Response to Intervention (RTI) aims to meet the needs of struggling students through a pyramid of interventions, collaborative team problem solving, data for monitoring student progress, and customized solutions that help every unique learner succeed. This system is commonly represented by the three-tiered pyramid of interventions, which conveys that all students can learn, effectively master educational requirements, and become proficient learners.