Although several school districts in a southern US state use a three-tiered Response to Intervention (RtI) model to supplemental core reading instruction and positively impact student achievement, the model appears to have had nominal impact. The theoretical foundation for this study is anchored in a constructivist approach to education. Three…

Response-to-intervention (RtI) models utilize a proactive, prevention approach that requires the implementation of a sophisticated, multi-tiered problem-solving process in the regular education environment. Effective and sustainable implementation of these models will necessitate a mechanism to support professional development, treatment fidelity,…