Percentile Scores

Percentiles allow students to be ranked among peers who completed the test during the same month of the year. This is based off of the data collected during the norming period from a nationally representative US sample. The percentiles range from 1-99 and can give a teacher, administrator, or anyone involved in the student’s education, an idea of how well the student is learning. For example, if a student is ranked in the 70th percentile, they would be considered to be above average. However, if a student is ranked in the 20th percentile, then they are below average. Percentile is not a measure of how many questions the student answered correctly. If a student is in the 30th percentile it means they did better than 29% of the students who took the test during the same month in the norming period.

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