Even if she said it, it isn't a lie to change one's mind.
It is a lie to presently represent a fact as true when one knows at the time one utters it, it is not true. That test fails on many levels in the present instance.
But the atheist howler monkeys have with some success avoided the issue by hijacking the thread and turning it into a classic strawman thrashing.
This is true. If she said she'd stick to their script, then changed her mind, that's not lying. It would however mean that she failed to keep her word. Even if she failed to keep her word, which in this instance would be understandable, it doesn't negate the fact that the school was wrong, on many levels.
I wondered why the scarecrow was looking so haggard.
"Even if she said it, it isn't a lie to change one's mind. "
I visit Frankenstein's office every day.