Context: The first tier states that all students receive core classroom instruction that is differentiated and utilizes strategies and materials that are scientifically research-based. Assessment in the classroom should be ongoing and effective in that it clearly identifies the strengths and weaknesses for each learner. Any necessary interventions at this level are within the framework of the general education classroom and can be in the form of differentiated instruction, small group review, or one-on-one remediation of a concept.

Question: a response to intervention (rti) program involves three tiers. during the first tier students?
Steam of consciousness below:
To answer this question, we should know that: The first tier states that all students receive core classroom instruction that is differentiated and utilizes strategies and materials that are scientifically research-based.
So, the answer is receive core classroom instruction that is differentiated and utilizes strategies and materials that are scientifically research - based.