Skip to main content
Skip Navigation

NAEP Technical DocumentationCreation of the Database



Merging Files

Creating the Master Catalog

The data processing conducted by the NAEP Materials Processing and Scoring Contractor for each assessment results in the transmittal of four data files to the NAEP Design, Analysis, and Reporting Contractor for each grade assessed. These files are merged into the final database. The four data files are based on data collected from the following sources:

In addition to these files, sampling weights and other survey design variables provided by the NAEP Sampling and Data Collection Contractor must be included in order to make valid statistical inferences about the population of students and schools included in NAEP assessments.

Last updated 23 May 2023 (SK)