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The Research behind Our Programs READ THE RESEARCH
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Overview   |   Foundational Research   |   Impact and Efficacy   |   Linking Studies    |   Unfinished Learning


Research and Efficacy

Our assessment and instruction programs are backed by the industry’s most practical and applicable research. Every program we provide starts with an extensive research base and is followed by a continuous cycle of research, review, and improvement. The end result is a suite of programs proven to help your students succeed.

Foundational Research

Our assessment and instructional solutions are grounded in research to deliver rigorous instruction and comprehensive support to help students at all levels, from all backgrounds, achieve their greatest possible gains.

Magnetic Reading Research Base cover.

The Research Base: Magnetic Reading Grades 3–5

The research base linked below provides an overview of Magnetic Reading’s foundational research and pedagogical approach.

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Photos of i-Ready authors and advisors.

The Experts behind i-Ready and Ready

Meet the program authors, technical advisors, and efficacy advisors who help build and improve our products.

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Executive summaries about i-Ready.

The Research Base: i-Ready Personalized Instruction

The Executive Summaries linked below provide an overview of our foundational research base and pedagogical approach.

MATHEMATICS | READING

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High Ratings from NCII

i-Ready Diagnostic received high ratings from the National Center on Intensive Intervention (NCII).

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Putting the Science of Reading to Work

Learn how our programs were built to align with the core principles of the Science of Reading.

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Impact and Efficacy

i‑Ready and Ready are backed by timely research conducted in diverse educational settings. This research meets the criteria for “evidence-based” as defined by the Every Student Succeeds Act (ESSA), qualifying these programs for Elementary and Secondary School Emergency Relief (ESSER) and School Improvement funding.

Cover of iready impact on mcas report 2022.

Impact of i-Ready on Massachusetts End-of-Year Assessments

This research report examines the impact of i-Ready on Grade 5 students’ MCAS achievement.

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i‑Ready Efficacy: Research on i-Ready’s Impact

Research support for i‑Ready and ESSA evidence

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Student talking with teacher.

Research on Program Impact of Ready Mathematics Blended Core Curriculum

Research support for Ready Mathematics and ESSA evidence

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Ready Efficacy: Research on Ready’s Impact

Research support for Ready supplemental programs and ESSA evidence

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Linking Studies

The i‑Ready Diagnostic is highly correlated with leading national and state summative tests.

Alabama

i-Ready Diagnostic: Correlation Study with Alabama’s Comprehensive Assessment Program (ACAP)

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Arizona

i-Ready Diagnostic: Linking Study with Arizona’s Statewide Achievement Assessment (AzM2)

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Colorado

i-Ready Diagnostic: Linking Study with Colorado Measures of Academic Success (CMAS)

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Florida

i-Ready Diagnostic: Correlation Study with Florida Standards Assessment (FSA)

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Georgia

i‑Ready Diagnostic: Correlation Study with Georgia Milestones Assessment System (GMAS)

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Illinois

i-Ready Diagnostic: Linking Study with Illinois Assessment of Readiness (IAR)

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Indiana

i‑Ready Diagnostic: Linking Study with Indiana Learning Evaluation Assessment Readiness Network (ILEARN)

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Kentucky

i‑Ready Diagnostic: Linking Study with Kentucky Performance Rating for Educational Progress (K‑PREP)

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Louisiana

i-Ready Diagnostic: Linking Study with the Louisiana Educational Assessment Program (LEAP 2025)

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Massachusetts

i-Ready Diagnostic: Linking Study with the Massachusetts Comprehensive Assessment System (MCAS)

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Michigan

i‑Ready Diagnostic: Linking Study with Michigan Student Test of Educational Progress (M‑STEP)

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Mississippi

i‑Ready Diagnostic: Linking Study with Mississippi Academic Assessment Program (MAAP)

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Missouri

i-Ready Diagnostic: Linking Study with Missouri Assessment Program (MAP)

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New Jersey

i-Ready Diagnostic: Linking Study with New Jersey Student Learning Assessments (NJSLA)

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New York

i‑Ready Diagnostic: Linking Study with New York State Testing Program (NYSTP)

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North Carolina

i-Ready Diagnostic: Correlation Study with the North Carolina End-of-Grade Tests (NC EOG)

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Ohio

i‑Ready Diagnostic: Linking Study with Ohio’s State Tests (OST)

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Pennsylvania

i-Ready Diagnostic: Linking Study with Pennsylvania System of School Assessment (PSSA)

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Rhode Island

i-Ready Diagnostic: Correlation Study with Rhode Island Comprehensive Assessment System (RICAS)

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Texas

i-Ready Diagnostic: Correlation Study with State of Texas Assessments of Academic Readiness (STAAR)

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West Virginia

i-Ready Diagnostic: Linking Study with West Virginia General Summative Assessment (WVGSA)

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Wisconsin

i-Ready Diagnostic: Linking Study with the Wisconsin Forward Exam

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Research on Unfinished Learning 

Learn about its impact and where to focus your efforts.

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