Kelly Haymond

Response to intervention (RTI) is a comprehensive early detection and prevention strategy used to identify and support struggling students before they fall behind. An RTI model usually has three tiers or levels of support. Tier 1 is generally defined as classroom instruction provided to all students, tier 2 is typically a preventive intervention offered to students who fall behind when given only classroom instruction, and tier 3 is more intensive intervention offered to students who failed t...