Featured Terms | Glossary
Over-Identification: Refers to the over representation of students in special education programs/services that is above state and national averages; identification of more students for services th... More »
Voices From the Field

"Integrating RTI into your classrooms is not a quick fix. An open mind and a lot of patience are essential, as it often requires a paradigm shift for educators." [Read full story »]

— Mary Anne Lesiak, Director of Education, AppleTree Institute for Education Innovation, DC

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Ask the Experts

When implementing RTI, is there a recommended ratio of students to teachers at different tiers of intervention?

Response from Amanda VanDerHeyden, Ph.D.: The feature that distinguishes one tier of intervention from another is intensity. Tier 1 intervention is typical instruction to which all students in the class are exposed...[read full response]

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Tiered Instruction/Intervention

Tiered InstructionThe heart of any RTI model lies in the use of tiered instruction. In the RTI framework, the instruction delivered to students varies on several dimensions that are related to the nature and severity of a student's difficulties. Edward Shapiro of Lehigh University provides a detailed explanation of the multi-tiered instructional component of RTI.

 

Read "Tiered Service Delivery in a Response-to-Intervention Model."

 

 

Tier 1


All students in Tier 1 receive high-quality, scientifically based instruction, differentiated to meet their needs, and are screened on a periodic basis to identify struggling learners who need additional support.

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Tier 2


In Tier 2, students not making adequate progress in the core curriculum are provided with increasingly intensive instruction matched to their needs on the basis of levels of performance and rates of progress.

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Tier 3


At this level, students receive individualized, intensive interventions that target the students' skill deficits for the remediation of existing problems and the prevention of more severe problems.


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