What is a Good i Ready Diagnostic Score by Grade? Math + Reading
What Is a Good i-Ready Diagnostic Score?
Wondering whether your child’s i-Ready scores are on track? In general, i-Ready Diagnostic scores at or above the 50th percentile are considered “good,” meaning your child is performing as well as or better than most students nationwide.
It’s important to understand what a “good” score looks like, because i-Ready Diagnostic Scores help teachers identify each student’s unique needs. With this insight, schools can provide the right kind of support and instruction to help every child meet their learning goals.
Check out the i-Ready Diagnostics Chart on this page (and the FAQ below) to see the typical range of good scores for each grade level, from the 50th to the 99th percentile.
Who Created i-Ready?
The i-Ready assessment system was developed by Curriculum Associates. It’s widely used throughout the United States, from kindergarten all the way to 12th grade. Because it measures a child’s performance against grade-level expectations, it gives parents and teachers a clear picture of how students are progressing.
What Are i-Ready Diagnostics?
i-Ready Diagnostics are adaptive tests in two main subjects—Reading and Math. They’re designed to align with state and Common Core standards, offering a complete view of each student’s academic skills. During the test, questions become easier or more challenging based on how your child responds, so it’s a personalized measure of their abilities.
In Reading, i-Ready looks at key areas such as:
- Phonics
- Phonological Awareness
- Vocabulary
- High-Frequency Words
- Literature Comprehension
- Informational Text Comprehension
For Math, it focuses on:
- Number and Operations
- Algebra and Algebraic Thinking
- Geometry
- Measurements and Data
When your child finishes an i-Ready assessment, the results help educators create customized learning plans. These plans address any areas where students need extra help, while also challenging them to reach higher levels in subjects where they’re already strong. Because the report can feel detailed and complex, teachers are there to explain the results and help parents understand what the scores mean for their child’s education.
iReady Score Types:
- Overall Scale Score: Spanning from 100 to 800, this score encapsulates a student’s overall performance, factoring in both the accuracy and difficulty level of the questions attempted. Placement categories range from “Mid or Above Grade Level” to “Three or More Grade Levels Below,” with specific benchmarks varying by grade.
- Domain-Level Scores: These scores delve into specific competencies within Reading and Mathematics, offering insights into strengths and areas for improvement.
- Diagnostic Norms: Percentile rankings offer a national comparison, indicating how a student’s performance measures up against peers in the same grade.
- Lexile and Quantile Measures: Developed in collaboration with MetaMetrics, these scores assess reading and mathematical proficiency, respectively, guiding educators in selecting appropriate learning materials.
Interpretation and Application:
A comprehensive score report is provided for each student, detailing their achievements across these metrics. This report not only assesses current knowledge and skills but also aids in predicting future academic progress. A “good” score is thus relative, aiming to position students “At Grade Level” or higher, with the ultimate goal of ensuring continuous educational advancement.
Score Variability Across Grades:
iReady scores are tailored to each student’s performance, meaning that growth and benchmarks shift with each grade level. For instance, a score that places a student “At Grade Level” in one grade may categorize them as “One Grade Above” in another, highlighting the dynamic nature of these assessments.
In essence, a favorable iReady score in is one that aligns with or exceeds grade-level expectations, empowering educators to effectively support each student’s learning journey. Through these insights, iReady diagnostics play a vital role in customizing education to foster student achievement at every level.
The i-Ready Scale score ranges from 100 to 800.
The iReady Scale scores are used to determine their placement on a five point scale.
The i-Ready placements are as follows:
- Mid or Above Grade Level
- Early On Grade Level
- One Grade Level Below
- Two Grade Levels Below
- Three or More Grade Levels Below
The score requirements for placement depends on the time the test is taken, as well as the chronological grade that your child is in. For example, if a child in 4th grade has a score aligning with 2nd grade. then the child will be Two Grades Below.
For help to determine whether your child has a good score in i-Ready Diagnostic, please see the following table:
| Chronological Grade | Three or More Below | Two Grades Below | One Grade Below | At Grade Level | One Grade Above | Two Grades Above | Three Grades Above |
|---|---|---|---|---|---|---|---|
| Kindergarten | 100–361 | 362–448 | 449–472 | 473–498 | 499–800 | ||
| 1st Grade | 100–346 | 347–401 | 402–472 | 473–498 | 499–516 | 517–800 | |
| 2nd Grade | 100–386 | 387–412 | 413–448 | 449–516 | 517–526 | 527–800 | |
| 3rd Grade | 100–386 | 387–412 | 413–448 | 449–516 | 517–526 | 527–540 | 541–800 |
| 4th Grade | 387–412 | 413–433 | 433–464 | 465–526 | 527–540 | 541–564 | 565–800 |
| 5th Grade | 413–433 | 433–449 | 450–479 | 480–540 | 541–564 | 565–574 | 575–800 |
| 6th Grade | 443–449 | 450–464 | 465–494 | 495–564 | 565–574 | 575–585 | 586–800 |
| 7th Grade | 450–464 | 465–479 | 480–507 | 508–574 | 575–585 | 586–598 | 599–800 |
| 8th Grade | 465–479 | 480–492 | 493–517 | 518–585 | 586–598 | 599–610 | 611–800 |
| 9th Grade | 480–492 | 493–502 | 503–514 | 515–598 | 599–610 | 611–629 | 630–800 |
| 10th Grade | 493–502 | 503–514 | 515–555 | 556–610 | 611–629 | 630–800 | |
| 11th Grade | 503–514 | 515–540 | 541–563 | 564–629 | 630–800 | ||
| 12th Grade | 541–548 | 549–571 | 549–571 | 572–800 |
As you can see from this table outlining the iReady Diagnostic scores by grade for Math, a score of 50 for a student in 1st grade would put the student at ‘At Grade Level’ placement, but if a 2nd grade student got a 450, it would show as ‘One Grade Above’. The i-Ready Diagnostic score benchmarks change, depending on the actual, chronological grade of the child.
Please see our pages on i-Ready Placement Tables, for more help on Grade placement as a result of i-Ready scores.
i-Ready Diagnostics scores FAQ.
Frequently asked questions about i-Ready Diagnostics scores.
What is a good iReady Diagnostic score?
A good iReady Diagnostic score is one that places a student at or above the expected grade-level performance. This typically means scoring in the “At Grade Level” category or higher based on the scale score range for their grade.
Where can I find the iReady Diagnostic scores 2024-2025?
The iReady Diagnostic scores for 2024 and 2025 can be accessed through the iReady platform, usually provided by your child’s school. Parents and guardians can view their child’s scores by logging into the iReady family portal or by contacting their child’s teacher for detailed reports.
We have also added the i-Ready Diagnostic Scores Chart for 2024-2025 at our i-Ready Diagnostic Scores by Grade Math and i-Ready Diagnostic Scores by Grade Reading pages.
How do I interpret iReady scores?
iReady scores are interpreted across several metrics: the Overall Scale score (ranging from 100 to 800), Domain-Level scores for specific subject areas, Diagnostic Norms (percentile rankings), and Lexile/Quantile measures for reading and math proficiency. Scores are categorized to reflect grade-level performance, from “Above Grade Level” to “Three or More Grade Levels Below.”
What do the iReady Diagnostic scores mean?
iReady Diagnostic scores provide insights into a student’s proficiency in key academic areas. They indicate how a student is performing relative to grade-level expectations and national norms, helping to identify strengths and areas for growth.
How can my child improve their iReady Diagnostic scores?
Improvement can be achieved through targeted practice in areas identified for growth, consistent participation in classroom activities, and additional support or tutoring in challenging subjects. Utilizing iReady’s personalized instruction paths can also help enhance skills.
What happens if you get a low score on the iReady test?
A low score indicates that a student may need additional support in specific areas. It’s an opportunity for teachers and parents to collaborate on strategies to help the student improve, such as personalized learning plans, tutoring, or intervention programs.
What is the highest score ever recorded for the iReady test?
Information on the highest score ever recorded isn’t typically published by Curriculum Associates. Scores are intended to measure individual progress and academic needs rather than to set records.
What score is 512 in an iReady diagnostic?
A score of 512 on an iReady diagnostic suggests a student is performing at or possibly above their grade level, depending on the specific grade and subject. It indicates a solid understanding of the material tested at that point.
What score is 461 in an iReady diagnostic?
A score of 461 might place a student “At Grade Level” or slightly above/below, depending on their grade and the subject area. It’s important to consult the grade-level score chart for precise placement.
What is Considered a Good iReady Diagnostic Score?
The i-Ready score rangers are the Winter Test norms. Remember, there are three i-Ready tests throughout the year, Fall, Winter and Spring Tests. Students are expected to progress and score higher throughout the year. So, the 50th percentile in the Fall test is typically 10-20 score points lower then the Winter scores shown below.
Likewise the 50th percentile in Spring Test is typically 1–20 score points above the Winter scores shown here.
The complete i-Ready Diagnostic Scores Charts with percentiles can be found at our iReady Reading Diagnosic Scores and iReady Math Diagnosic Scores pages.
What is a Good iReady Diagnostic Score for Kindergarten in Reading?
A good iReady diagnostic score for Kindergarten in Reading is between 371 and 800, which corresponds to the national score range from the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 1st Grade in Reading?
A good iReady diagnostic score for 1st Grade in Reading is between 423 and 800, covering the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 2nd Grade in Reading?
For 2nd grade, a good Reading score is between 485 and 800, which represents the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 3rd Grade in Reading?
A good iReady Reading score for 3rd grade is from 518 to 800, falling within the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 4th Grade in Reading?
For 4th grade, a good Reading score is between 546 and 800, within the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 5th Grade in Reading?
A good Reading score for 5th grade is from 570 to 800, covering the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 6th Grade in Reading?
A good 6th-grade iReady Reading score is between 586 and 800, according to the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 7th Grade in Reading?
For 7th grade, a good iReady Reading score is from 601 to 800, which corresponds to the 50th to 99th percentile.
What is a Good iReady Diagnostic Score for 8th Grade in Reading?
A good Reading score for 8th grade is from 614 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 9th Grade in Reading?
A good Reading score for 9th grade is from 640 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 10th Grade in Reading?
A good Reading score for 10th grade is from 652 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 11th Grade in Reading?
A good Reading score for 11th grade is from 660 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 12th Grade in Reading?
A good Reading score for 12th grade is from 668 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for Kindergarten Grade in Math?
A good iReady diagnostic score for Kindergarten in Math, according to the 50th to 99th percentile in the Winter 2024-2025 test norms, is 339–800.
What is a Good iReady Diagnostic Score for 1st Grade in Math?
A good iReady diagnostic score for 1st Grade in Math, based on the 50th to 99th percentile in Winter 2024-2025, is 372–800.
What is a Good iReady Diagnostic Score for 2nd Grade in Math?
A good iReady diagnostic score for 2nd Grade in Math, using the Winter 2024-2025 norms, is 399–800.
What is a Good iReady Diagnostic Score for 3rd Grade in Math?
A good iReady diagnostic score for 3rd Grade in Math, for the 50th to 99th percentile in Winter 2024-2025, is 424–800.
What is a Good iReady Diagnostic Score for 4th Grade in Math?
A good iReady diagnostic score for 4th Grade in Math, according to Winter 2024-2025 norms, is 445–800.
What is a Good iReady Diagnostic Score for 5th Grade in Math?
A good iReady diagnostic score for 5th Grade in Math, based on the 50th to 99th percentile in Winter 2024-2025, is 463–800.
What is a Good iReady Diagnostic Score for 6th Grade in Math?
A good iReady diagnostic score for 6th Grade in Math, based on Winter 2024-2025 norms, is 475–800.
What is a Good iReady Diagnostic Score for 7th Grade in Math?
A good iReady diagnostic score for 7th Grade in Math, for the 50th to 99th percentile in Winter 2024-2025, is 487–800.
What is a Good iReady Diagnostic Score for 8th Grade in Math?
A good iReady diagnostic score for 8th Grade in Math, according to Winter 2024-2025 norms, is 495–800.
What is a Good iReady Diagnostic Score for 9th Grade in Math?
A good i-Ready Math score for 9th grade is from 615 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 10th Grade in Math?
A good iReady Math score for 10th grade is from 656 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 11th Grade in Math?
A good Math i-Ready score for 11th grade is from 664 to 800, which aligns with the 50th to 99th percentile range.
What is a Good iReady Diagnostic Score for 12th Grade in Math?
A good Math i-Ready Diagnostic score for 12th grade is from 672 to 800, which aligns with the 50th to 99th percentile range.
These ranges reflect the national norms for the 50th to 99th percentile for students performing at or above grade level in the Winter 2024-2025 iReady Math Diagnostic Test.
What is the hardest level on iReady?
The most advanced level in i-Ready is Level H, as this is in the last level in the middle school line.
We have also added the i-Ready Diagnostic Scores Chart for 2024-2025 at our i-Ready Diagnostic Scores by Grade Math and i-Ready Diagnostic Scores by Grade Reading pages.
If you are a student with the i-Ready Level AA, B, C, D, E, F, G or H, and you don’t know what that means or what the corresponding Grade Level is, then have a look a our What is Level E in iReady chart (it includes all iReady Levels, and Grade Levels from Kindergarten though 12th grade).
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iReady Diagnostic Scores 2024-2025 by Grade Level – Reading Scores Chart
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What is a Good iReady Diagnostic Score for 7th grade? and 8th? Math + Reading
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What is the good score for a 6th grader. My child got recommended for double accelerated. He is in 6th grade and took the test. What should his score be to get selected for it?
LOOK AT THE CHART!!!
6th graders should get around 586–800 in the ready diagnostic if they are below scores they may get around 443–449
what about 8th graders?
so, just curious, News Room, how does this scale adjust for different grade levels? like, a score of 500 might be great for a 4th grader but what about a 10th grader? is there a curve or something?
That’s a great question, Trent. I’ve been trying to figure out the same for my daughter. It’s a bit confusing without context.
From what I’ve seen, the tests do scale. A 500 for a 4th grader isn’t the same as for a 10th grader. It’s about where they stand percentile-wise in their age group.
lol, what if they had iReady for adults? I bet half of us would forget how to even do basic math without google 😛
I’m really worried, my kid got a 461 on the iReady test in math. However, the article doesn’t really explain if that’s good or bad? What should i do to help improve it?
iReady scores, huh? Do these even really matter in the real world, or is it just another way to stress kids and parents out? seems like there’s always a new test they gotta take.
Really happy to see such an in-depth breakdown of iReady diagnostics! As an educator, it’s so useful to have resources like this to better support our students. Thanks, News Room, for the comprehensive guide!