what is a rti
Response to Intervention (RTI) is a multi-tier approach to the early identification and support of students with learning and behavior needs.The RTI process begins with high-quality instruction and universal screening of all children in the general education classroom.hough there is no single, thoroughly researched and widely practiced âmodelâ of the RTI process, it is generally defined as a three-tier (or three-step) model of school supports that uses research-based academic and/or behavioral interventions. The Three-Tier Model is described below.