Elementary and Postsecondary Education Data

National Center for Education Statistics data and publications

Includes the Common Core of Data (CCD). Some of these files can be downloaded in various file formats.

California Department of Education DataQuest

Data about California schools and districts including Academic Performance Index (API) and Adequate Yearly Progress (AYP), enrollments, graduates, dropouts, high school SAT/ACT/AP scores, and staffing.