This documentation is for the provisional version 1a file of the National Center for Education Statistics' (NCES) Common Core of Data (CCD) Local Education Agency (LEA) Universe Survey for SY 2011-12. It contains a brief description of the data collection, along with information required to understand and access the data file. The CCD is a national statistical program that collects and compiles administrative data from state education agencies (SEAs) covering the universe of all public elementary and secondary schools and LEAs in the United States. The LEA Universe Survey is one of six annual surveys that comprise the CCD. The following are appended: (1) Record Layout for the Common Core of Data Local Education Agency Universe Survey: School Year 2011-12; (2) Value Distribution and Field Frequencies for the Common Core of Data Local Education Agency Universe Survey: School Year 2011-12; (3) Glossary for the Common Core of Data: School Year 2011-12; and (4) State Notes for the Common Core of Data: School Year 2011-12.