My Little Cyberbully

Abby Hemnway just got out of a terrible place, but was all alone. The others had already left days ago, thinking she was dead. The seventh grader decides she wants to go to school, living in a studio apartment.
Once she becomes settled into her school, she has means transportation, a motor cycle, communication, a smartphone, and income, government help.
Abby gets on social media, seeing everyone either wants to help the escapees or is dissing them, taking it as a lie. But no one has mentioned her name, to the world, she's dead.