The Classification Bureau, an integral part of the Adult Prisons Division (APD), is responsible for the decision making process used to categorize and manage inmates. Classification fulfills a wide range of correctional purposes including preserving order in the Prisons; sustaining inmate discipline; assessing inmates' needs; assigning inmates to appropriate programs; providing equitable treatment to inmates and protecting staff, inmates and the public. In making decisions regarding the custody levels, facility assignments and program assignments of inmates, the classification system considers the risk assessment and needs assessment of inmates using objective criteria that are consistent with well structured initial and reclassification instruments.

Classification, in conjunction with the Probation and Parole Division, introduced, developed and implemented Reentry Planning policy and procedure at all facilities to ensure that the needs of inmates are addressed following their release from incarceration. The Classification Bureau uses an automated data system which allows for systematic and ongoing monitoring of inmate classification.