If covid hadn't happened, I strongly believe based on what others have told me in the know that JJ would have transfered for his senior season to his public school. Just like Tyler Morris did the year after JJ. He left to go to Plainfield East (although he was injured) so he could be an early entry.
You need to work with your counselor to get approval. Part of approval is you need to be committed to a college and it's a fall sport that you will be playing in college. I believe it's only for athletes as that is what i have seen. You do it the summer between junior and senior year.
That and the opportunity to graduate early and be an early enrollee at Michigan. I don't believe Naz has the option of graduating early but could be wrong.