Response to Intervention
Also known as: RTI, RtI, Multi-Tiered System of Supports, MTSS, Responsiveness to Intervention
Response to intervention (RTI) is a multi-tiered framework for preventing academic failure and identifying students with learning disabilities by their responsiveness to high-quality instruction. All students are screened and taught with evidence-based core instruction; those who fall behind receive progressively more intensive intervention while their progress is closely monitored. Students who fail to respond even to intensive, well-implemented intervention are flagged as needing further evaluation. RTI reframes disability identification from a static test discrepancy to a dynamic question of who does not respond to good teaching.
Key highlights
- Emphasizes prevention and early intervention rather than waiting for severe failure.
- Ties identification decisions to responsiveness under good instruction rather than a static ability-achievement gap.
- Provides a coherent, tiered structure for allocating increasingly intensive resources to students who need them.
- Built on progress-monitoring data, supporting ongoing, evidence-based instructional decisions.
Intuition
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How it works
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When to use it
Use RTI (often within the broader MTSS umbrella) as a school- or district-wide system for early identification and prevention of academic difficulties, especially in early reading and mathematics, and as a component of the process for identifying specific learning disabilities. It requires the infrastructure to deliver evidence-based instruction faithfully across tiers, valid screening and progress-monitoring tools, and a decision-making team. It is not appropriate to treat RTI as a single test or to use non-responsiveness for identification when instruction was not delivered with fidelity. RTI is a framework for organizing instruction and decisions, not itself a causal research design.
Strengths & limitations
- Emphasizes prevention and early intervention rather than waiting for severe failure.
- Ties identification decisions to responsiveness under good instruction rather than a static ability-achievement gap.
- Provides a coherent, tiered structure for allocating increasingly intensive resources to students who need them.
- Built on progress-monitoring data, supporting ongoing, evidence-based instructional decisions.
- Validity collapses if core and tier instruction are not evidence-based and delivered with fidelity.
- There is no single agreed operational definition of 'non-responsiveness,' and criteria affect who is identified.
- Resource- and expertise-intensive to implement well across all tiers at scale.
- Stronger evidence base in early reading than in other domains and grade levels; identification accuracy is debated.
Common pitfalls
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Applications
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Frequently asked
How is RTI related to curriculum-based measurement?
Curriculum-based measurement (CBM) is the measurement engine inside RTI. CBM supplies the brief, repeatable, technically adequate probes used for universal screening and for monitoring whether students in intervention are improving in level and slope. RTI is the broader system of tiered instruction and decision rules; CBM provides the data those decisions rest on. Without sound progress monitoring, RTI's responsiveness logic has nothing to stand on. See the related Curriculum-Based Measurement entry.
What is the 'dual-discrepancy' model of non-responsiveness?
The dual-discrepancy approach, associated with the Fuchs research program, identifies a student as non-responsive only when they are discrepant on two dimensions at once: their performance level is below the benchmark and their rate of growth (slope) is below that of typical peers, even after intensive intervention. Requiring both guards against misclassifying low-achieving but improving students, and against flagging students who grow slowly but already perform adequately.
Is RTI the same as MTSS?
They are closely related but not identical. RTI originated as an academic, tiered framework strongly tied to learning-disability identification. Multi-tiered systems of support (MTSS) is a broader umbrella that integrates academic intervention (essentially RTI) with behavioral supports (such as PBIS) and a wider focus on whole-child, system-level prevention. In practice the terms overlap heavily, and RTI is often described as the academic component of MTSS.
Sources
- 1.Fuchs, D., & Fuchs, L. S. (2006). Introduction to response to intervention: What, why, and how valid is it? Reading Research Quarterly, 41(1), 93–99.
- 2.Deno, S. L. (1985). Curriculum-based measurement: The emerging alternative. Exceptional Children, 52(3), 219–232.
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Cite this page
ScholarGate. (2026, June 22). Response to Intervention. ScholarGate. https://scholargate.app/education/response-to-intervention-analysis