Iready Diagnostic Scores 2024 Release Date. Ready scores result from diagnostic assessments that measure student performance in the iready tests in math and reading. The iready scale ranges from 100 to 800 across all grade.

It also includes lexile® and quantile® information for. What constitutes a good score on the iready diagnostic test depends on a student’s grade level and the time of the year they take the test.this adaptive assessment is.