i-Ready Inform (formerly i-Ready Diagnostic)

From Insight to Action

Explore the adaptive assessment highly rated by the National Center on Intensive Intervention (NCII) and trusted by educators to deliver accurate, actionable insights to more than 14 million students.

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The i-Ready Diagnostic Will Be Renamed i-Ready Inform and Get Shorter in School Year 2026–2027Learn More

Overview

Turn Every Minute into Meaningful Learning

i-Ready Inform™ (formerly i-Ready Diagnostic) is an adaptive assessment at the heart of the i-Ready Assessment suite. It seamlessly connects reliable, domain-level student insights to instructional next steps, so educators understand where students are now and what comes next. Rooted in trust, i-Ready supports confident decision making that moves educators from insights to instruction and from understanding to real, visible growth.

Program Type:Assessment
Subject:Literacy, Mathematics
Grade(s):K–12
Language:English, Spanish
Format:Digital

Program Features

Better Data, Better Decisions

Backed by strong reliability and validity evidence, high NCII ratings, and strong correlations with state assessments, i-Ready Inform reliably predicts student performance. Educators can confidently use accurate, trusted data to make informed decisions and deliver the right instruction.

Clearer Insights for Stronger Outcomes

Save time with an integrated assessment and instruction platform that provides clear, comprehensive insights into student performance. Easy-to-understand data helps teachers, students, and families see progress relative to grade-level expectations and know exactly what students need next.

Seamless Connection to Instruction

Make lesson planning and differentiation easier by connecting assessment insights directly to instructional tools and helpful grouping recommendations. This bridge from data to daily teaching ensures every learner’s needs are met with targeted, actionable support.

Support You Can Count On

Count on reliable, dependable service built on trusted technology and responsive support. Backed by a team with deep K–12 expertise, i-Ready ensures educators have the help they need—from implementation through ongoing use—without unexpected disruptions.

What's Included

Buying Information

i-Ready Inform

Adaptive Reading and Mathematics assessments (Grades K–12) for a complete view of student strengths and growth areas
Spanish Adaptive Assessments: Mathematics (Grades K–12) and Reading (Grades K–5) for performance insights in Spanish
Easy-to-use reports with actionable insights, including both national norms and criterion-referenced grade-level placements

i-Ready Literacy Tasks

A collection of more than 300 English and Spanish tasks assessing foundational reading skills aligned to the Science of Reading for benchmarking and progress monitoring
Time-saving administration with streamlined assignments, automatic scoring, and real-time error marking
Easy-to-use reports that track progress and combine Literacy Tasks and i-Ready Inform data for a complete literacy profile

i-Ready Standards Mastery

A collection of fixed-form assessments (Grades 2–8) for deep understanding of key grade-level standards in reading and mathematics
Easy-to-use reports highlighting precise misconceptions, item rationales, prerequisite skills, and recommended next steps
Explore our comprehensive evidence and research insights you can trust to inform your decisions.

Instructional Resources

Tools for Instruction: Ready-to-use lessons for addressing gaps and reinforcing key concepts
Tools for Scaffolding Comprehension: Practical supports to strengthen reading comprehension
Actionable recommendations on skill progression and instructional steps for each student
Reading Fluency Practice: Resources providing additional passage reading fluency practice to students

Implementation Support

Partner success managers
Professional learning
Online Educator Learning platform
i-Ready Success Central access

*i-Ready Inform de lectura en español is available for Grades K–6. Grades 7 and 8 have access to the fixed-form Assessment of Spanish Reading.

Testimonials

“i-Ready data is incredibly easy to use and understand.”

— Sarah Silvernail, Middle School Teacher, Schroon Lake Central School

Testimonials

“As we started to dive deeper into our data and recognize the value of Stretch Growth and how that really closes the achievement gap, we're starting to see those gaps shrink and proficiency increase.”

— Sean Rabiola, Principal, Norridge School District, IL

Testimonials

“i-Ready truly makes it easy to find the data that I need to elevate or to extend my students who are moving ahead or to hold interventions with students who are still behind, who might need additional support.”

— Melissa May, Teacher, Pender School District, NC

Testimonials

“The data we receive from i-Ready is so actionable.”

— Erika Hubbard, School Director, KIPP Delta Public Schools, AR

Turning Data into Action

Hear how educators use actionable insights to inform instruction and take next-day instructional steps.

Video

Teaching with Confidence

Discover how i-Ready streamlines the connection from assessment to instruction.

Video

Driving High Expectations

Learn how clear growth goals and setting high expectations help drive meaningful student growth.

FAQ

How does i-Ready Inform™ ensure the assessments are fair and accurate for all students?

How will i-Ready Assessment help me get a more complete picture of my students’ learning?

How does i-Ready Inform™ support students at different levels of learning, including those in MTSS and RTI programs?

How easy is it to use i-Ready Inform™ to guide instruction and support every student?

Will i-Ready Inform™ give me the information I need without taking too much time away from instruction?

How does i-Ready Inform™ make it easier to set meaningful goals and motivate students to reach grade-level expectations?

Is i-Ready Inform™ the same as the i-Ready Diagnostic?

i-Ready Inform (formerly i-Ready Diagnostic) Is Highly Rated in Grades K–8 by the NCII

i-Ready Inform (formerly i-Ready Diagnostic) received positive reviews on the key criteria of Reliability, Validity, and Classification Accuracy in Grades K–8 Mathematics and Reading for NCII's Academic Screener Tools Chart.

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Tech and Learning Best of Show ISTE Live 24 Winner badge.

The Journal New Product Award 2022 badge.

Our Professional Learning suite offers collaborative live sessions and curated, on-demand digital resources to help educators drive meaningful student outcomes with their Curriculum Associates programs.

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