The Private School Universe study is available in a machine-readable data tape file--NCES.XEESBF.PRIVATE.SCHOOLS.A76-80.NO79.RAW--containing data on 22,771 private schools in the United States (236 records were identified as duplicates and deleted). The file provides each school's: (1) name; (2) mailing address; (3) public school district; (4) school religious affiliation (18 categories); (5) student enrollment; (6) number of high school graduates; and (7) number of full-time teachers. Data files exist for 1970-71 and 1976-77. Data from 1976 through 1980 were merged to provide a summary for the years 1976-80; however, there are no data for 1979. Lowest and highest grades taught are reported, along with openings and closings of schools in the period. Schools are identified as: elementary; middle; secondary; combined elementary and secondary; special education; vocational/technical; and alternative. The merged file contains 22,771 records, with 20,764 open schools. TYPE OF SURVEY: National Survey; Census Survey. POPULATION: Private Elementary and Secondary Schools in the United States. RESPONDENTS: School Administrators (22,771). RESPONSE RATE: 100% of the States (No Outlying Areas). FREQUENCY: Annual. YEAR OF EARLIEST DATA: 1970. YEAR OF LATEST DATA: 1980. (SLD)