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Index of School Contribution to the Racial Segregation of US School Districts

This dataset contains information on the contribution of individual schools to the racial and ethnic segregation of US school districts. The Segregation Contribution Index (SCI) measures the share of school district segregation attributable to a given school. The SCI is computed using public data on school enrollment by race and ethnicity from the US Department of Education’s Common Core of Data and the Private School Survey for the 2017–18 school year.

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Release Date
Contact Name
Urban Institute
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Data Dictionary Files
Additional Notes

The Segregation Contribution Index (SCI) is based on a disaggregation of the dissimilarity index of segregation. The dataset includes the level of segregation in the school district and schools’ SCI, as well as total enrollment and “minority” enrollment (defined as students who are Black or Hispanic). The data also provide information on total and minority enrollment in the schools’ “neighborhood,” defined as schools serving the same grade within a mile radius of the school’s location. The radius is larger in less densely populated areas. See our report for more information:
Monarrez, Tomas, Brian Kisida, and Matthew Chingos. When Is a School Segregated? Making Sense of Segregation 65 Years after Brown v. Board of Education (Washington, DC: Urban Institute, 2019),

Citation Requirements

Urban Institute. 2020. Index of School Contribution to the Racial Segregation of US School Districts. Accessible from Data developed at the Urban Institute, and made available under the ODC-BY 1.0 Attribution License.