Serious question: can you show evidence where this has actually taken place in the school curriculum in recent times? Anybody can advocate for anything, from w

Serious question: can you show evidence where this has actually taken place in the school curriculum in recent times? Anybody can advocate for anything, from wanting to teach Satanism and anti-vaxx science to GMOs cause cancer and "New Math", but the curriculum doesn't bend so easily since there are federal standards. Beyond fear mongering and "leftist memes", any real examples?