diagnostic assessment

A screenshot of the Tier 1.5 Calculator shows boxes where users can input screening assessment data.

New Tier 1.5 Calculator Supports Data-Based Decision-Making for Core Instruction

Tuesday, July 22, 2025
The IRRC's new online tool for assessing student instructional needs is now available.
teacher points to a computer

Data-Based Decision-Making for Core Instruction: Not Just for Intervention

Tuesday, February 11, 2025
Teachers can use data to guide instructional decisions in Tier 1 settings.
teacher walks between her students' desks

Reading Assessments and Their Purposes

Tuesday, September 24, 2024
Throughout the school year, your child’s teacher may use universal screeners, diagnostic assessments, progress monitoring, and more to gain a deeper understanding of how to best support your child’s literacy development.