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All public schools—traditional, charter, and magnet schools—that serve students in any grade from 3 through 8 are included in the data. Schools that enroll both high school students and students in some of grades 3–8 are included, but the reported test-score measures are based only on the scores of students in grades 3–8. For example, schools serving grades 7–12 are included in the data, but the test scores we use are only those from students in grades 7–8.

Schools run by the Bureau of Indian Education (BIE) are included in the data. Specifically, we include estimates based on reading and math tests taken by students in BIE schools in the years 2008-09 through 2011-12, and in 2015-16 and 2016-17. The BIE did not report test score data for other years to EDFacts.

In most states, students in private schools do not take the annual state accountability tests that we use to build SEDA. Therefore, no test scores from private schools are included in the raw or public data.

We have some special inclusion rules for the following school types:

• Charter schools: Estimates for charter schools are included in the school-level data files and on the website. Geographic district and county estimates include data for charter schools; however, charter schools are assigned to the geographic district or county in which they are physically located. In other words, a charter school may be counted as part of a geographic district even if that district does not operate the school.
• Special education schools: Estimates for special education schools are included in the school-level data files and on the website; however, data for special education schools are not included in the geographic district or county estimates.
• Virtual schools: Estimates for virtual schools are not shown on the website but are available for download in the school-level data files. Virtual school data are not included in geographic district or county estimates.

A data file indicating which schools are counted as part of geographic districts, administrative districts, and counties is available on the Get the Data page.