Maybe another thing your top performing students in their top performing school network can explain to you is the difference between evidence and irrelevancy; specifically, that, with California being the first state to mandate a later start time, its unusual for schools to start later (New York is experimenting with some later start times, but very few schools have them [0]), so, really, neither your sons’ status nor those of their network indicate (as evidence or even anecdote) anything contrary to the research at issue here (nor, to take the next step, necessarily would their school even if a sizable number of others did start significantly later unless it was similar to those later-starting schools in all other respects besides start time; for some reason you've posted an argument from a libertarian propaganda mill which does nothing relative to the discussion but make a case as to why you raising it in this discussion is the farthest thing possible from relevant for that reason.)

I get that you are proud of your sons and like their school network. I can't figure out why you think either are relevant to the matter at hand.