I agree with @HazelGrace16 that it should sort of depend on the character. Some might be in denial and be very adamant about staying in school and continuing on an normal life.
While others might start skipping school. "Hmm... Sit in boring Algebra class or run around the woods as a tiger? I think I'll take a sick day. Or two."
Some might think staying in school and acting normal is the best way to stay off of the radar of these shady organizations while others might feel it's too much of a risk and should be homeschooled.
Another thought is the fact that most of them are around 16/17 and could potentially have an after school job.
So I think it totally depends on what you want your character to do. Some may stay in school, some may not...
@LordZeus That sounds like an awesome idea. Explaining this new history. I think that will be very helpful.
