California Code, Penal Code - PEN § 2054.2

The Department of Corrections and Rehabilitation shall determine and implement a system of incentives to increase inmate participation in, and completion of, academic and vocational education, consistent with the inmate's educational needs as identified in the assessment performed pursuant to Section 3020, including, but not limited to, a literacy level specified in Section 2053.1, a high school diploma or equivalent, completion of a community college or four-year academic degree, or a particular vocational job skill.  These incentives may be consistent with other incentives provided to inmates who participate in work programs.