iReady Diagnostic Scores by Grade Math – 2024-2025. This page shows the iReady Diagnostic Scores by Grade Level for Math (Norms) for the school year 2024-2025, including the Fall, Winter and Spring iReady Scores Percentiles. Check if your child’s iReady Math Scores are above the 50th percentile (Median), or above the 95th percentile, etc. Understanding […]