I Killed My BFF - Season 2 Episode 2 The New Girl
Overview: At a school for at-risk youth in Illinois, Sarah Kolb rules the hallways. She takes new student Adrianne Reynolds under her wing, showing her the ropes and introducing her to the popular crowd. As the two get closer and closer, people around them start to wonder if they're more than best friends. But in this school, only one of them can be the most popular. Jealousy leads to contempt, and rumors spread like wildfire... until a final showdown after class turns into a deadly confrontation.