Categories of Scores Reported in State and Local Assessment Reports
The table below illustrates typical scores from national and statewide assessments. Studying a specific student's score or the score of a group of students provides helpful information for linking assessment with instruction.
|Standard Score (SS)||This score allows comparison of the student to a group of other students. Standard scores have a mean of 100 and a standard deviation of 15. Scores falling between 85–115 are average.||A student received a score of 55, which is over 2 standard deviations below the mean, placing the student in the considerably below average range.|
|Grade Equivalent (GE)||This score indicates the grade and month of the school year for which the score is average.||A student who is in the seventh grade and was tested in September scored 7.1. The score would be interpreted as average.|
|National percentile rank (NPR)||This score compares the student’s score to the percentage of the norm group that performed at or below the student’s score.||A student received a score of 39, which is interpreted as the student scored the same as or better than 39 percent of the students of the same age who took the same test.|
|Normal curve equivalent (NCE)||This score allows comparison of the student to a group of other students. This score has a mean of 50 and a range of 0–99.||A student received an NCE of 49, which means that the student scored about average for students of the same age who took this test.|
|National stanines (NS)||This score ranges from 1 to 9, with a score of 5 representing an average score.||A student received a score of 1, which means that the student scored significantly below average.|
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