subject: NWEA MAP Reading Scores by Grade: National Averages and Percentiles [print this page]
NWEA MAP reading scores by grade help parents and teachers understand a student’s current reading achievement and academic growth. MAP Growth is a computer-adaptive assessment, which means the difficulty of reading questions changes according to the student’s answers. The assessment is designed to measure what a student knows now and what they may be ready to learn next.
For the 2026–2027 school year, schools are using the updated 2025 MAP Growth norms. These norms provide national comparison data used to interpret MAP reading scores by grade level and testing season. Parents can use current score charts to better understand how a student’s reading performance compares with other students in the same grade.
What Does an NWEA MAP Reading Score Mean?
MAP Growth reading results are reported using the RIT scale. RIT stands for Rasch Unit. It is an equal-interval scale, similar to the marks on a ruler, so a ten-point increase represents the same amount of measured growth at different points on the scale.
A reading RIT score should not be interpreted by itself. Parents should consider:
The student’s grade The testing season The national grade-level mean The achievement percentile Growth between testing periods
These factors provide more useful context than looking at one number alone.
Understanding MAP Reading Scores by Grade
MAP reading scores can have different meanings depending on grade level. A RIT score that is typical for one grade may not have the same interpretation for another grade.
Parents should use a score chart that matches the student’s current grade and testing season. Fall, Winter, and Spring results have different national comparison points.
Using the correct grade-level information makes it easier to understand whether a reading result is near, above, or below the appropriate national reference point.
What Is the MAP Reading National Average?
A national average provides a reference point for comparing a student's reading performance with students in the same grade and testing season.
The national average should not be considered a required target for every student. Students have different learning experiences, educational needs, and rates of academic growth.
Instead, the average provides context that can help parents understand where a student's result falls within the broader national picture.
What Is a MAP Reading Percentile?
A MAP reading achievement percentile shows how a student performed compared with students in the same grade nationally.
For example, a percentile rank of 72 means the student performed as well as or better than approximately 72 percent of students in the comparison group.
A percentile is not a percentage score. A student at the 72nd percentile did not necessarily answer 72 percent of questions correctly.
Instead, the percentile describes the student's relative performance compared with other students.
What Is a MAP Reading Growth Percentile?
A growth percentile measures how a student's reading progress compares with students who had similar starting scores.
This is different from the achievement percentile. Achievement describes a student's current relative performance, while growth describes how the student's progress compares with similar students.
A student may have an achievement percentile below the national average while demonstrating strong growth. Another student may have a high achievement percentile but show more moderate growth.
Parents should consider both achievement and growth when reviewing reading results.
Understanding Fall, Winter, and Spring Reading Scores
MAP Growth reading assessments may be given during Fall, Winter, and Spring testing periods.
Fall: Fall results can provide a starting point for the school year and help teachers understand a student's current reading achievement.
Winter: Winter results can help parents and teachers evaluate progress since the Fall assessment.
Spring: Spring results provide information later in the academic year and can be compared with earlier results to understand growth over time.
Comparing several testing periods can provide a clearer picture of reading progress than focusing on one score.
What Changed in the 2025 MAP Norms?
The RIT scale itself has not changed, but the national reference points have. NWEA reports that the 2025 norms generally reflect lower national achievement than the previous 2020 norms, with larger differences among lower-performing students.
As a result, the same RIT score may now correspond to a somewhat different percentile than it did under the older norms.
Families should therefore use current NWEA MAP reading score charts for 2026 and 2027 rather than relying on older charts found online.
How to Read a MAP Reading Score Chart
When reviewing a MAP reading score chart, parents should first identify the student's grade and testing season.
Next, they can review the appropriate RIT score information, national average, and percentile data. Comparing the current result with previous MAP reading scores can also help families understand academic growth.
It is important to avoid comparing a student's score with an unrelated grade or testing season because that can lead to an inaccurate interpretation.
Find Updated MAP Reading Scores by Grade
You can view updated NWEA MAP scores by grade level, MAP score charts, national averages, percentile ranges, and typical Fall, Winter, and Spring scores at ReadyScores.com.
The charts make it easier to compare a child's reading score with students in the same grade and testing season. Separate information is also available for MAP math scores, language usage, and science.
Using current charts is particularly important for the 2026–2027 school year because the updated 2025 norms may produce different percentile comparisons than older reference charts.
One Reading Score Does Not Tell the Full Story
Parents should remember that one MAP reading score does not tell the full story. The MAP Growth Family Report combines achievement, growth, and projected proficiency so families can see both current performance and progress over time.
For example, a student may have a reading achievement percentile below the national average but demonstrate strong growth between Fall and Spring.
Parents can also discuss the results with teachers to understand which reading skills are developing well and what the student may be ready to learn next.
About ReadyScores.com
ReadyScores.com is a resource for NWEA MAP scores, MAP test scores by grade level, i-Ready scores, STAR scores, national percentile charts, and school assessment interpretation.
The website also provides free calculators in English and German. These include the NWEA MAP Score Calculator, i-Ready Score Calculator, APUSH Score Calculator, Time Duration Calculator, free Timecard Calculator, Work Hours Calculator, Arbeitszeitrechner, Stundenrechner, and other useful education and time tools.
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