Part One
Welcome to the game! I'm Melissa and put down a quick (not-so-quick) rundown. I'm obviously a hoarder.
Irene Adler/Anima/telekineticals: Marvel Girl's powers Irene is the student counselor at the school. She'll also counsel your adults about whatever they might need. She's an information gatherer. With people getting all up in arms about mutants, her beliefs are changing and a certain Erik Lensherr and his beliefs might be getting to her. She'll definitely take an interest in any students/adults with questionable views on the superiority of mutants and anyone who tends to get into trouble a lot. But explains that away by saying that those are the ones that need the most help.
She will give your kids crap about breaking the rules but insists that she cares. But she'll also sit and talk with them for hours if that's what they need. She'll also make sure they have whatever they need. Because, dammit, mutants are being discriminated against and someone needs to be looking out for them extra specially.
Jean Grey/Savant/computering: Sages's powers Jean likes to think of herself as a big sister more than an actual professor. In some ways, she can seem to have somewhat of a dual personality: her core nature is maternal and friendly while her powers are very analytical and logical. So she's constantly struggling with that split. She can get into "moods" where she wants to do nothing but work for weeks on end. And then, a night later, she'll be in the kitchen baking cookies and delivering them on doorsteps (roomsteps?) in packages with little bows. She tries not to seem too nuts in that respect but often fails.
Regardless, if your character's at the school she's likely at least talked to him/her. Whether they like her/want to continue talking/etc. is totally up to you. But she's tried to reach out:D
Anna Marie/Mimic/alterable: Mystique's powers Anna's been at the school since she was an infant. She was born blue and dumped on the steps of a church shortly after birth. Xavier found her and took her in. She grew up being passed around among the faculty and older students who took care of her and raised her. So she didn't really have a specific adult figure that she looked up to. In some ways, a lot of people were involved in her upbringing (and any back story between her and other characters is always welcome!) but in other ways she sort of feels like none of them actually raised her. Though, later on, she became sort of the "daughter" of Irene and (even later) Raven.
She considers herself to be a burden and hasn't yet figured out how she's supposed to feel about being a mutant. Once she developed the ability to change her appearance boy howdy did she use it! It's extremely rare to see her blue. And, since she didn't spend really any time outside the school until she was about 13 or so, she's not the most well-adjusted person. Sometimes she tries. Mostly she doesn't.
Wanda Maximoff/Dementia/dareyoutotouch: Rogue's powers Wanda is... a little unhinged. She treats her abilities like a game and refuses to be afraid of them even though she should probably show at least a little fear. Or respect. Or something. She actually uses them, makes a point of risking touches (welcome or not), and has way too many personalities stuck in her head. She doesn't realize that Erik is her father, which is probably a good thing because she'd be pissed that she didn't know for so long. She looooooves Pietro and is extremely dependent on him (and clingy).