i-Ready

4th Grade i-Ready Scores

In 4th grade, an i-Ready score counts as on grade level from 465 in math and 557 in reading. The national median in the fall is 445 in math and 531 in reading. Enter your child's score below to see the placement and percentile.

Enter the scale score from your child's report to see what it means.

4th Grade i-Ready math placement levels

PlacementScale score
Mid or Above Grade Level482–800
Early On Grade Level465–481
One Grade Level Below434–464
Two Grade Levels Below413–433
Three or More Grade Levels Below100–412

4th Grade i-Ready reading placement levels

PlacementScale score
Mid or Above Grade Level579–800
Early On Grade Level557–578
One Grade Level Below496–556
Two Grade Levels Below474–495
Three or More Grade Levels Below100–473

4th Grade i-Ready math percentiles

The lowest scale score that reaches each national percentile, by test window.

Test window10th25th50th75th90th99th
Fall399425445463477503
Winter412436457474490519
Spring419445469488508531

4th Grade i-Ready reading percentiles

Test window10th25th50th75th90th99th
Fall436488531567593632
Winter457508546581606644
Spring465516556590615655

Frequently asked questions

What is a good i-Ready score for 4th grade?

On grade level starts at 465 in math and 557 in reading, and "Mid or Above Grade Level" starts at 482 and 579. Those ranges are the same all year.

What is the average i-Ready math score in 4th grade?

The national median is 445 in the fall and 469 in the spring, on Curriculum Associates' 2026-2027 norms tables.

What is the average i-Ready reading score in 4th grade?

The national median is 531 in the fall and 556 in the spring.

Sources: Curriculum Associates, i-Ready Inform Scale Score Placement Tables, 2026-2027; Curriculum Associates, i-Ready Inform National Norms Tables for Grades K-8, 2026-2027. i-Ready is a product of Curriculum Associates, which is not affiliated with Dewey Smart.