Percentile Rank (PR) and Percentile Rank Range

Percentile Rank scores range from 1 to 99 and express student ability relative to the scores of other students in the same grade. For a particular student, this score indicates the percentage of students in the norms group who obtained lower scores. For example, if a reading assessment gave a student a Percentile Rank of 85, the student's reading skills are greater than 85% of other children in the same grade.

The Percentile Rank Range reflects the amount of statistical uncertainty in a student's Percentile Rank score. If the student were tested multiple times or finished a number of assessments in a short period of time, the score would likely fall in this range.

Percentile Ranks can be found in the following reports:

* Percentile Rank Ranges can also be found on these reports.