She can work with her current coach and compliance office on this. Typically an athlete in her situation would enter the transfer portal as a grad transfer after junior year. That way coaches can talk to her. Her current coach can help her network.
As far as grad admissions, she’d be on her own for any particular grad program. But if the goal is simply to play it isn’t hard to find a grad program at most schools where admission is not too hard (Ivies aren’t an option obviously).