It depends on the institution, they all have different programs and curriculum. You might try calling the facility and ask to speak with the case manager, counselor or unit team secretary to get more information.
https://www.inmateaid.com/ask-the-inmate/hello-i-have-a-dear-friend-in-for-rehab-what-are-the-services-like-for#answer
Accepted Answer Date Created: December 14,2015