Its school. Again, she has black makeup, dyed her hair black, and is wearing black emo type stuff with skulls. It's just a stereotypical person who wants to say they're depressed and have adhd.

They're sitting in the corner in lunch on purpose, alone. They randomly move their hands around to try to make people believe they have adhd. They're also trying to yawn to get tears from it, so people believe they're "depressed". She just wants attention and sympathy. Sadly, everyone believed her, and said you're faking.. Something.