Thinking Inside The Box, by H.S Ono (delicate_ocean)
At twelve, you take a test and depending on wether you're smart, athletic, calm, confident, or just plain dumb, you get chosen different jobs. When Amy Johnson found out she was a firefighter, even after her teacher and principle predicted she would be a scientist, she was more than disappointed. She wanted to make everyone's life better, even for low-class citizens like herself. Not that saving lives was any less important, she was hoping to make a difference. When she winds up in a life changing accident and survives under the radar, she meets a group of persistent people, who help her uncover a deep secret of her her home 'planet', Earth
