Proven to Work The Research behind Our Programs


Research and Efficacy

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

ESSA Evidence for i‑Ready® and Ready®

iReady and Ready are backed by timely research conducted in diverse educational settings. This research meets the criteria for “evidence-based” as defined by ESSA, qualifying these programs for School Improvement funding.

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

Research support for iReady and ESSA


Research on Program Impact of Ready Mathematics Blended Core Curriculum

Research support for Ready Mathematics and ESSA

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Ready Efficacy: Research on Ready’s Impact

Research support for Ready supplemental programs and ESSA


Making Sense of ESSA Evidence

Finding ESSA evidence that supports your school’s goals

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Linking Studies

The iReady Diagnostic is highly correlated with leading national and state summative tests.

i‑Ready Diagnostic and the Smarter Balanced Assessment Consortium (SBAC)

i‑Ready Diagnostic and Partnership for Assessment of Readiness for College and Careers (PARCC)

i‑Ready Diagnostic and Mississippi Academic Assessment Program (MAAP)

i‑Ready Diagnostic and Michigan Student Test of Educational Progress (M-STEP)

i‑Ready Diagnostic and Indiana Statewide Testing for Educational Progress-Plus (ISTEP+)

Grounded in Research

iReady’s assessment and instructional solutions were built from the ground up to be true to the details, rigor, and intent of college and career ready standards.

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The Assessment Experts behind i-Ready Diagnostic

Meet the technical advisors who help build the iReady Diagnostic.


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The Research Base for i‑Ready Instruction

Read the research that underlies iReady’s instructional approach.


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The Science behind i‑Ready's Adaptive Assessment

Learn about the underlying theory and research support for iReady Diagnostic.


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