How Results Are ReportedSubject area results in main NAEP are reported in two ways—scale scores and achievement levels—so that student performance can be more easily understood. Scale scores in the long-term trend assessments use different scales than in main NAEP, and performance levels describe student performance in terms of these scores. Because NAEP scales are developed independently for each subject, scale score and achievement level (or performance level) results cannot be compared across subjects. However, these reporting metrics greatly facilitate performance comparisons within a subject from year to year and from one group of students to another in the same grade. After the assessment, results are reported to the public in a number of forms.
Read more about how to interpret NAEP results.
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