Ohio State Test (OST) Math Percentile Calculator

Use this Ohio State Test (OST) Math percentile calculator to estimate a percentile from a scaled score, see where a student falls in performance bands, and get actionable guidance to support growth toward the next band.

These estimates are based on the officially reported Ohio State Tests Statistical Summary 2024. Explore our OST guides by grade to interpret scores, review question examples, and learn how the test works.