Incorrect.
There is no right to compel other people to listen to a lecture, whether they are children or adults. But there is a right to try to save the lives of others.
It’s not about a “lecture.” It’s about parents and their doctors making a decision about the future of their dying child.
Just because they made a questionable decision that offends you doesn’t give you the right to act as that child’s parent.
Really? So I can sue the government if they prevent me from trying to save the life of an inmate about to be executed? No? Maybe I can sue if they try to prevent me from leaping into a polar bear enclosure while the animal is rending another zoo patron? No? Then maybe I can find that right in the text of the Constitution? No? Then maybe I can find some case law that supports your assertion? No? Hmmm... funny thing, that.
Or maybe it just feels nice to type it, whether it reflects reality or not.
Absolutely. And for the parents to actually force people in the school, by a DNR order, to possibly participate in the death of their daughter is a very serious matter.