Sure, if you’re not buying from the school cafeteria.
But if you are, there would be minimal standards of all kinds, so it is the feds business on that point.
Having said that, it is in the school’s best interest to work with the kids to ensure that the foods that are sold on school grounds are foods the kids will eat.
Nothing about schools is fed business. Even public schools should be run by local school boards and overseen by the state.
Just why is it the feds’ business to impose minimum standards on school kitchens?