Postsecondary Status File The CALPADS File Specifications (CFS) includes a new file, the Postsecondary Status (PSTS) file that will be implemented in 2019–20. This file will be used by LEAs to submit survey data to CALPADS that LEAs previously submitted to the CDE through the Perkins Data System (PDS) and the California Special Education Management Information System (CASEMIS), both of which are now retired. LEAs have generally collected the postsecondary status data for Career Technical Education (CTE) pathway completers and concentrators, and students with disabilities (SWD) who have completed secondary education, through a student survey. LEAs will now submit the data they have collected ...