Although if it's to go to a school, that sometimes causes issues with quotas and funding, so they just let you use ADT-Schools for the whole time because the school house doesn't understand Reservists.
Good God, don’t get me started. Schoolhouse Buffoonery: A Play in Three Acts
Schoolhouse: “We can’t give that Sailor an AC billet in that in-demand NEC school, and we don’t have any RC billets open.”
Command: Look, jackass, this guy isn’t just getting a good deal. He’s about to go underway with the freaking active component, and if he doesn’t get in, we’re throwing YOU under the bus with the Admiral.
Schoolhouse: *head explodes*