The stay at the classification center could last one week or six months, there is no set time period as there are many factors considered before the final designation.
https://www.inmateaid.com/ask-the-inmate/how-long-are-inmates-typically-in-the-classification-center-and-what-do-they-do-there-my-son-was-sent-to-md-doc-and-i-have-not-heard-from-him-and-a-friend-told-me-that-it-is-because-he-is-in-the-reception-and-classification-center#answer
Accepted Answer Date Created: October 12,2019