Illinois Assessment of Readiness (IAR) Linking Study
Overview
Published: December 2023
How do i-Ready Inform (formerly i-Ready Diagnostic) results connect to state testing? This research investigates the data from student Diagnostic scores in relationship to the IAR, showing a high correlation between the two.
Note: Cut scores were updated in 2025 to reflect new proficiency levels.
- Program:i-Ready Inform (formerly i-Ready Diagnostic)
- Subject:Mathematics, Literacy
- Grades:3–8
- Study Year:2023
- State:Illinois
- Test Alignment:Illinois Assessment of Readiness (IAR)