Stop dissecting it. Bless you is a polite thing to say, period. It is not a religious thing to say.
This
This is stupid. She's not forcing her beliefs on anyone. Though in my experience with my school, if a teacher has a problem, the administration will find any way to twist it around so they can punish you. "Oh, maybe you were disrupting the class?" No, the teacher called her out for something that she shouldn't have been called out for. Accept that this happens
For anyone who may be confused: there is NO law that can even be INTERPRETTED to prohibit practice of religion in school, only that school staff can not LEAD the practices
There are petitions to remove "Under God" from it altogether.
FUn fact: The original version of the pledge didn't have "under god" in it
It was added in like the 1950s or 60s