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 Sample data Detailed social, economic, and housing information collected on the decennial census long form from approximately one in six households nationwide. The Census Bureau tabulated sample data from the 1980 and 1990 decennial census to the block group level. See also decennial census, long form, 100-percent data, short form.

Sample survey The collection of information for a sample of people, housing units, and economic activities. See also census, sample.

SCA See standard consolidated area.

School attendance area A special-purpose geographic entity delineated by State, county, or local officials designating the school(s) that school-age children in that particular area must attend. The Census Bureau does not provide separate data for school attendance areas. See also elementary school district, independent district, intermediate/middle school district, school district, secondary school district, unified school district.

School district The territory administered by the elected or appointed authorities of a State, county, or other local governmental unit to provide educational services to a resident population. A school district typically includes several school buildings, teachers, and related staff. The Census Bureau provided data tabulations for school districts from the 1970, 1980, and 1990 censuses. See also elementary school district, independent district, intermediate/middle school district, secondary school district, unified school district.

SCSA See standard consolidated statistical area.

SEA See State Economic Area.

Secondary school district A school district inclusive of only high school (either the ninth through the twelfth grades or the tenth through the twelfth grades). See also elementary district, independent district, intermediate/middle district, school district, unified school district. GlossaryG-43