BOC PIK Crosswalk CPS School Enrollment Supplement

The Current Population Survey (CPS) Protected Identification Key (PIK) Crosswalks are used to link CPS March Supplement microdata files to other microdata files with a PIK variable.

The CPS School Enrollment Supplement is a national survey conducted to obtain information about enrollment in formal schools, full-time and part-time status, and level of education. It is also used to obtain information about enrollment in business, vocational, technical, and correspondence courses. It is a proxy response survey that is sponsored by the National Center for Education Statistics (NCES), Bureau of Labor Statistics (BLS) and the United States Census Bureau.