Prodigies absolutely exist. But this proposal is also so woefully uninformed as it rejects a basic fact: some folk are more intelligent than others. We don't know why -- it's both nature and nurture -- but we know it exists because humanity has observed it since forever.

Equity in education isn't to see a kid that's doing well and think, "well fuck that kid, we'll just make him bored out of his mind and ultimately become disinterested as we force them to sit through another year of class on a subject they already mastered."

Rather, it's simply to redirect resources (read: money to hire more teachers so there's a smaller student to teacher ratio) to the schools whose students are achieving the least. And teachers are the ones that get to make that determination.