Per this article, he isn't:
https://www.suntimeshighschoolsports.com/2018/02/05/xavier-pinson-missouri/
Pinson didn’t sign with anyone in November, accepted his role off the bench for Simeon and has flourished as a pass-first point guard for the No. 1 ranked team in the state. By mid-January a few schools who had evaluated Pinson all fall and into his senior season pulled the trigger and offered, including Georgetown, Dayton, Saint Louis and Memphis.
Again, I'm not saying there's no upside, but the guy has warts.