Access trainings, manuals, and other resources to prepare for and administer the IAR Summative assessments. The links to the correct file layouts are contained in the relevant manual.
ISBE IAR WebpageView IAR key dates for Spring 2026.
| Event | Date(s) |
| IAR Spring 2026 Testing Window – Paper Testing | 3/02/26 – 4/03/26 |
| IAR Spring 2026 Testing Window – Online Testing | 3/02/26 – 4/17/26 |
| Create Proctor Groups | 2/9/26 – 4/17/26 |
| Deadline to return paper-based testing scorable and nonscorable materials to Pearson (picked up by vendor)
(1 Week After testing) – i.e., Test booklets, answer documents, accommodated test materials
*Scorable materials only apply to ELA/Math *Nonscorable materials apply for ELA/Math |
4/10/26 |
| Deadline to return computer-based testing nonscorable materials to Pearson (One week after testing) | 4/24/26 |
| Performance Reporting Posted to the Illinois Administration Platform | 5/20/26 |
| Preliminary Summative File (No Growth) Posted to the Illinois Administration Platform | 6/4/26 |
| Final Summative File (With Growth) Posted to the Illinois Administration Platform | 7/7/26 |
| Electronic (PDF) ISRs Posted to the Illinois Administration Platform | 7/21/26 |
| Hard Copy ISRs Delivered to Districts | 8/28/26 |
For additional resources including Test Administrator Manuals, Test Administrator Scripts, AF&A Manual, Tools, and Policies, see the Resources page.
For additional resources including Test Administrator Manuals, Test Administrator Scripts, AF&A Manual, Tools, and Policies, see the Resources page.
Use this calendar to set-up time with the Pearson Staff to address questions on the following: