"When they first arrive, they're considered Younglings, or Initiates. Once they pass their Initiate Trials, they earn the rank of Padawan. Once at that rank, they were able to be chosen to be trained by a Jedi." Of course there were other ranks within the Order, like Knight or Master, and likely others that she didn't know about.

"She was falsely accused of committing a crime, framed and imprisoned for an explosion and a subsequent murder. She was expelled from the Order and imprisoned by Republic Military, but on trial for the crimes." Padmé had represented her after the Order had seemingly turned their back on her, although she knew Anakin had suffered and tried his best to help her. "In the end, when the truth came out, they offered to let her back into the Order, but she declined."