"No religion is true, but some religion, any religion, is politically necessary. Law and morality are insufficient for the large majority of men. Obedience to the law and to the morals are insufficient for making men happy. […]Law and morality are therefore in need of being supplemented by divine rewards and punishments."
Now, please continue to talk about some rule or policy being violated without even knowing if such a rule or policy exists.
You know for a libertarian you're sounding awfully authoritarian. Hell you said yourself that public schools shouldn't even exist, but you demand ironclad obedience to them? In addition to demanding absolute obedience of children to their parents, even though the child is a legal adult. Goes to show that you can't take much stock in what people call themselves until you've really heard what they have to say.
She earned her diploma with extremely hard work, got the best grades in school, and they deny her the diploma based on an arbitrary rule about what word can be used or not used.
I doubt she did it to make a point by breaking a rule, but as an adult she has the right to say anything she pleases with no consequences from anybody.