Response to Intervantion (RTI) requires a way of thinking about instruction, academic achievement, and individual differences and has application for general education, compensatory education, and special education. Most importantly, RTI promotes research-based instruction and quality teaching that result in better outcomes for all students. An RTI outcome vital to the effectiveness of a school system is that all teachers, both general and special educators, will feel an increased accountability for student learning as well as strengthened confidence in their own skills and knowledge related to teaching reading. Legal and special education experts Roger Pierangelo and George Giuliani provide Kû12 educators with a clear description of the purpose, core principles, and benefits of RTI and its legal basis and explain how to apply: Universal screening in all core academic areas and behaviorScientific, research-based interventions/instruction The multi-tier model of service delivery, and much more