Iready Diagnostic Score Chart 2024 2024. As you can see above, a good iready diagnostic score for 7th grade in reading is likely to fall between 604 and 687+, as this. The scale score is the overall score that your child has achieved in the test.

Below are the diagnostic scores and corresponding percentiles for kindergarten students taken between the beginning of the school year and november 15th. Below are the iready reading scores for fall, winter and spring, again given for grades k to 12.