Articles from July 2025

two men work together on a computer

Is Tier 1.5 Needed? Steps to Consider for a Classwide Reading Intervention

Tuesday, July 22, 2025
Educators can use the Tier 1.5 Calculator to determine if a Tier 1.5 intervention is necessary.
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.
graphic displaying the tiers of support

How Many Tiers of Reading Support Are Enough? Tier 1.5 in Multi-Tiered System of Supports

Tuesday, July 8, 2025
Some research suggests that classwide intervention, or Tier 1.5, can be beneficial when the majority of students in a class are not meeting reading goals.
An image of Dr. Erica Lembre on a yellow background

Using Data to Improve Instruction With Dr. Erica Lembke

Tuesday, July 1, 2025
Dr. Erica Lembke, featured speaker at the 2025 Iowa Science of Reading Summit, shares details about her current research on Data-Based Individualization in math and writing instruction.