2022-23 Common Core of Data (CCD) Preliminary Directory Files are now available. These files are the product of the CCD data collection for the 2022-23 school year. Data are reported at district and school levels as of October 1, 2022. These preliminary files include directory information, and some limited attributes about the school or district, such as type, operational status, the lowest and highest grade offered, and whether a school is a charter school.