Validated Intervention: Intervention supported by education research to be effective with identified needs of sets of students. More »

"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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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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Glossary

Browse the glossary below to learn the terms you need to know to successfully implement RTI in your school. This glossary was compiled using the following resources: The RTI Glossary of Terms developed by the IDEA Partnership @ NASDSE, the New Mexico Public Education Department RTI Glossary, and contributions from members of the RTI Action Network Advisory Council.


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Learning Disability

IDEA 2004 defines a Learning Disability/Specific Learning Disability in the following manner: The child does not achieve adequately for the child’s age or to meet State-approved grade-level standards in one or more of the following areas, when provided with learning experiences and instruction appropriate for the child’s age or State-approved grade-level standards.

(i) Oral expression.
(ii) Listening comprehension.
(iii) Written expression.
(iv) Basic reading skill.
(v) Reading fluency skills.
(vi) Reading comprehension.
(vii) Mathematics calculation.
(viii) Mathematics problem solving


Learning Rate

Average progress over a period of time, e.g., one year’s growth in one year’s time.


Local Education Agency (LEA)

Refers to a specific school district or a group of school districts in a
cooperative or regional configuration.



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Contributions are tax-deductible

The National Center for Learning Disabilities, Inc., is a not-for-profit, tax-exempt organization under Section 501(c)(3) of the Internal Revenue Code. All contributions are tax-deductible to the extent permitted by law.