RTI Model - Response to Intervention

At Chelsea Primary School, we have adopted the Response to Intervention (RTI) model, a multi-tier approach to the early identification and support of students with learning delays, including impairment in reading (dyslexia). 


Tier 1: Core Instruction

Whole Class

80-85% of students

All students receive a strong evidence-based curriculum and methods.


Tier 2: Targeted Interventions

Small group

15-20% of students

Evidence-based targeted supplemental skill-building interventions for some students who require support to make progress.


Tier 3: Intensive Intervention


1-5% of students

Evidence-based intensive targeted interventions for students whose needs are not being met by tier 1 or 2.


More information on learning difficulties and the RTI model is available on the DET website:




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