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The Informal Reading Inventory (IRI) is an individually-administered diagnostic tool that assesses a student’s reading comprehension and reading accuracy. The IRI measures three reading levels:
Independent: The level at which a student reads without help from the teacher.
Instructional: This level is reached when a student accurately decodes at least 90% of the words and comprehends at least 60% of the material.
Frustrational: This level is reached when the student decodes 89% or less of the words and can comprehend only 50% of the material.
Similar to the DRA, IRI is used in Denton ISD with 3rd-5th grade students to provide teachers with specific information about features of word recognition and comprehension that can guide teachers to appropriate instructional choices.
Information from an IRI is used to match students with appropriate reading materials, place children in guided reading groups, design instruction to address students' noted strengths and needs, and document reading progress over time.
IRI is done in a one-on-one conference where the student reads a text, retells and answers comprehension questions.
Contact the Campus Testing Coordinator for more information about how the IRI is administered at your child's school.
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