I fear it's only a matter of time before parents or conservative school employees in Florida (or in another state that passes a similar law) decide to test it out, and end up getting an educator fired because the teacher expressed pro-LGBT sentiments in class.
When it happens, I expect it will make national headlines.
Fortunately, Miguel teaches in the Seattle area. He grew up in Orlando.
As far as your friend, you may want to focus on repairing your relationship with her before broaching the subject any further. Have you considered writing her a letter, expressing regret for the way your conversation with her went?