Final answer:
The model used for screening purposes and the identification of students who need special education services is the Response to Intervention (RTI) model.
Step-by-step explanation:
The model used for screening purposes and the identification of students who need special education services is the Response to Intervention (RTI) model. RTI is a multi-tiered approach that provides targeted interventions and support to students based on their individual needs. The data collected during the RTI process helps identify students who may require special education services.