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i-Ready® Diagnostic Overview

Skills Assessed for i-Ready Diagnostic

Established in 2011, the i-Ready Diagnostic  is a test designed to help teachers support students and provide a path of instruction for every learner. The adaptive test adjusts its questions to each student’s needs. Each question a student sees is individualized based on their answer to the previous question. A series of correct answers will result in slightly harder questions, while a series of incorrect answers will yield slightly easier questions. This provides essential information for your child’s teacher about what your child knows and is ready to learn.

The i-Ready Diagnostic is published by Curriculum Associates and is given to students in grades K-12.  The test is structured cross-grade, which provides a measurement of students who perform on, above, or below grade level.

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The iReady Diagnostic covers Math and Reading. Within the Math portion, the following skills are covered: Numbers and Operations, Algebra and Algebraic Thinking, Measurement and Data, and Geometry. Within the Reading portion, the following skills are covered: Phonological Awareness, Phonics, High-Frequency Words, Vocabulary, Comprehension: Literature, and Comprehension: Informational Text.

i-Ready Test AreaSkills Assessed
Numbers and Operations: Understanding of basic arithmetic, the use of numbers and their basic properties.
Algebra and Algebraic Thinking: Recognizing patterns, understanding mathematical relationships, and using symbolic reasoning.
Measurement and Data: Understanding of measurement tools, units, and systems, as well as collecting, analyzing, and interpreting data.
Geometry: Recognition and understanding of shapes and their properties, spatial awareness.
Phonological Awareness: Recognizing and working with sounds in spoken language.
Phonics: Understanding the relationship between letters and the sounds they represent.
High-Frequency Words: Recognizing common sight words that appear frequently in text.
Vocabulary: Knowledge of the meaning of a wide range of words and word relationships.
Comprehension: Literature: Understanding, interpreting, and analyzing narrative text.
Comprehension: Informational Text: Understanding, interpreting, and analyzing expository text.

Each of these areas reflects important skills in the development of reading and math competency. The i-Ready Diagnostic assesses these skills to provide teachers and parents with detailed data about a student’s strengths and areas for growth, and to help tailor instruction to a student’s individual needs.

The assessment is designed for students in grades K-12 and is aligned with state standards, Common Core State Standards, and Next Generation Science Standards. Testing Mom has practice questions for i-Ready to get your child prepared for the upcoming test.

Here is a detailed overview of the i-Ready Diagnostic:

  • Assessment Content:
    • The i-Ready Diagnostic is an online assessment that is divided into two parts: math and reading. Each part is composed of a series of questions that adapt to each student’s individual skill level. The questions are designed to assess the student’s knowledge and skill level in specific domains such as operations and algebraic thinking, geometry, reading comprehension, vocabulary, and fluency. The diagnostic includes multiple choice, drag and drop, and fill-in-the-blank questions that are designed to measure a student’s ability to apply and integrate knowledge across multiple domains.
  • Adaptive Design:
    • One of the key features of the i-Ready Diagnostic is its adaptive design. The diagnostic is designed to adapt to each student’s individual skill level, which means that the questions become more difficult or easier depending on the student’s response to previous questions. This adaptive design ensures that the assessment is challenging enough to measure a student’s true proficiency level, while also providing appropriate support to help students who may be struggling in certain areas.
  • Detailed Reporting:
    • After a student completes the i-Ready Diagnostic, teachers and administrators are provided with detailed reports that provide insights into each student’s strengths and weaknesses. The reports include a range of data points, such as the student’s overall score, growth over time, and detailed information about their performance in specific domains. This information is valuable for teachers and administrators, as it can be used to identify areas where a student needs additional support or enrichment.
  • Instructional Resources:
    • In addition to providing detailed reporting, the i-Ready Diagnostic also includes instructional resources to support teachers in addressing individual student needs. Based on a student’s performance on the diagnostic, the program recommends targeted instructional resources, such as lessons, activities, and practice exercises. These resources are designed to help students strengthen specific areas of weakness and reinforce areas of strength.

Overall, the i-Ready Diagnostic is a valuable assessment tool that provides teachers and administrators with detailed insights into each student’s academic proficiency and growth over time. The adaptive design ensures that the assessment is challenging enough to accurately measure a student’s skill level, while the detailed reporting and instructional resources provide teachers with the information they need to tailor instruction to each student’s individual needs.

Looking to prepare your child for their upcoming i-Ready Diagnostic? has i-Ready Reading and Math practice test questions. Become a member and gain access to 10,000+ i-Ready practice test questions, plus resources for parent success! Try us out for free by downloading our 100 Free Practice Questions!

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i-Ready Practice Questions

Free i-Ready Diagnostic Practice Test Reading Questions

Which verb tense best completes the sentence?

Yesterday I             to a Taylor Swift concert.

A. go           B. have gone           C. went           D. doing


Free i-Ready Diagnostic Practice Test Math Questions


30 + 70 + 50 + 80 = 

A. 230           B. 210           C. 130

How Schools and School Districts Use the Results of the i-Ready Test

Inform InstructionTeachers can use the results to understand the strengths and weaknesses of each student, and to tailor instruction accordingly. This can help to make teaching more effective by meeting students where they are.
Identify Gaps in LearningThe i-Ready test can help to identify areas where a student may be struggling or where they may have missed previous learning. This allows for targeted interventions to help fill in these gaps.
Monitor ProgressSchools and districts can use the i-Ready results to monitor the progress of individual students, classes, or the whole school/district over time. This can help to identify trends and to measure the effectiveness of interventions or teaching strategies.
Group StudentsThe test results can help to group students according to their instructional needs for targeted teaching. For example, students with similar learning needs in a specific area can be taught together.
Communicate with ParentsSchools can use the test results to communicate with parents about their child’s learning. This can help parents to understand their child’s progress, strengths, and areas for growth, and to support learning at home.

Here are few (of the many) of the school districts in the United States that use i-Ready

In terms of implementation, many school districts use the i-Ready Diagnostic at multiple points throughout the school year, allowing teachers and administrators to track students’ progress over time. They can see how students are responding to instruction and make necessary adjustments to their teaching. For specific information on how the school districts below use the i-Ready Diagnostic, you would need to contact these districts directly or visit their official websites. They may use the diagnostic in slightly different ways depending on their specific needs and goals for students.



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15 Responses

Kim buhler

My students did not go up from August to December. I would love to work with them on practice questions to see if that helps.


We have many options for practice on our site and recommendations for which Skill Building Academy apps will also help for the i-Ready. Please Reach out to our Parent Success Team at 877-609-6203 or email them at for further help on the i-Ready.


i am teacher and i love it


Hello I’m a 6th grader and I got a 468 on my math iready what score is that

Hi Rob, For a 6th graders, a score in the mid-400s could be considered around grade level. Make sure you find out what your school uses to interpret the scores.

We’d recommend talking to your teacher or a school counselor for more understanding of what this score means for your particular situation. They can provide personalized advice on how to improve or maintain your performance level on the i-Ready assessment.

My 1st grade student was presented with 3rd grade questions as a starting point. She was overwhelmed with the first question which was 95-32. Not sure if that will generate good data.
Please contact me 951-679-7880.

4 kids need help

Please email us at or call us at 877-609-6203 and we can help you out.


Im in eighth grade and I got a 658 for the B.O.Y reading diagnostic is that good?

Hi Lila, as you may know the iReady test is designed to provide a snapshot of your current academic abilities so your teacher can better understand where you are in terms of reading comprehension, vocabulary and other academic skills. Keep in mind that the iReady test scores range from about 100 to 800.

A score of 658 in the Beginning-of-Year (B.O.Y) diagnostic test for reading in 8th grade is generally considered to be above average. This suggests that you have a strong understanding of the reading concepts that are typically taught up to this grade level. You are likely well-prepared for the reading challenges you’ll face this academic year and might even be ready for some advanced material. However, it’s essential to consider this score as just one measure of your abilities. Diagnostic tests like iReady are useful tools for gauging where you are academically, but they are not the only measures of success or capability. Here are some things to keep in mind:

Make sure you speak to your teacher who can provide valuable context for your iReady scores and help you increase your iReady scores over time.


I am in 7th grade and I got 627 on my i-ready, would you tell me the score of that. Emails appreciated 🙂

Good Morning, I don’t see a tab for buying the I ready assessment.

We don’t limit membership to a single test or grade level! You can find your purchase options at

Amir Stone

I got an 624 on my reading and I just wonder what grade level am I on


Hello i am a 4th grader an i scored a 501 what grade level is that


Hello, I am a 4th grader and I scored a 501 on my i-Ready Diagnostic. What grade level is that?

See if supports your child’s test by your school district. If you don't see your child's school district listed, check with us! We have practice for other tests as well.

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