NWEA MAP Score Chart by Grade (Math and Reading)

The first time my son brought home an NWEA MAP score, I did what every parent does: I typed "is 198 a good MAP score" into a search bar and got back a wall of edu-jargon. What I actually wanted was a chart. One table where I could find his grade, find his number, and know in five seconds whether 198 was a reason to celebrate, shrug, or sit down with him.

So here is that chart, for both math and reading, with the one piece of context the school slip almost never includes: the time of year.

NWEA MAP score chart by grade

The MAP Growth test from NWEA reports a RIT score, a number on a single continuous scale that runs from kindergarten through high school. Because that scale spans every grade, the same RIT means very different things at different ages, and even at different points in the same year. The tables below show the approximate on-grade-level RIT, drawn from NWEA's published norms. Treat them as ballpark figures, not bright lines: the real numbers shift by season and update when NWEA refreshes its norms study.

Math: typical on-grade RIT by grade and season

Reading: typical on-grade RIT by grade and season

Two things jump out when you sit with these charts. First, the gaps between grades shrink as kids climb. A first grader can gain fifteen or more RIT points across a year, while an eighth grader gains far fewer. That is not the test losing steam; it reflects how learning naturally spreads out as material gets harder. Second, math and reading start close together and then math edges ahead in the upper grades, which is exactly why you never compare one against the other.

How to read your child's number against the chart

Find the right table for the subject, then the row for your child's grade, then the column for the season they tested. If their RIT lands near that number, they are roughly on grade level. Higher is ahead of the median; lower means there is ground to cover. So my son's 198 in math, in the fall of fourth grade? Right around the ~199 line. On grade level. The slip of paper could have just said that.

The chart is a shortcut for one thing the report already gives you: the percentile. The percentile compares your child to a national sample in the same grade and the same season, and it is the number that actually answers "ahead, on track, or behind." The 50th percentile is the on-grade line in these charts. If you only have ten seconds with the report, read the percentile, not the raw RIT.

What the chart cannot tell you

A chart gives you a single dot on a single day. It cannot show you the line: whether your child is climbing toward grade level, holding steady, or quietly slipping. And because schools test only two or three times a year, months apart, you might catch a soft spot in October and not get another reading until winter. That is a long time to either worry or coast on one number.

A score chart is built for a snapshot. The thing you actually want to know as a parent is the direction, and direction takes more than one dot.

That gap is the whole reason Test My Kid exists. It is a free, eight-minute adaptive assessment for math and reading, K through 8, calibrated to the same NWEA MAP and iReady benchmarks behind these charts, that you can run at home as often as you like. So between the school's official reports, you can watch the line move month to month, confirm the extra practice is working, and catch a gap early instead of finding out in February. Decode the school's score with the chart, then keep your own read going.

Last reviewed: June 24, 2026.