[@Dark Cloud]

Please refrain from creating your own Background. I know there are rules for it, but it also tells you to consult your DM when doing so. For all intents and purposes, Strange Student should suffice for what you need for your background unless there is a specific goal you want from your background. Generally being ignored and overlooked for your weirdness, so long as it's not disruptive or intrusive, is what Strange Student is for. As long as you aren't doing something like stealing computer cables or breaking into vending machines, no one will care if you hang out by yourself playing video games (except maybe during class, and only from teachers who give a damn). 

[@Guardian Angel Haruki]

Totally. Personas are not the idealized version of yourself, they're the representation of both your good and bad sides, so naturally some people may be more willing to cooperate with their personas, but others will only see them as "problems" and try and change and be different from them. Which very mixed results.