Collateral Damage, Retaliation, Backfired, and Failures Summary

In "Collateral Damage," Ariana posts herself in a bathroom of one of the buildings. She has a cheat sheet that she's created to look like Allison's handwriting with chemistry notes. She remembers that this plan means Kaitlynn won't kill anyone in order to clear a spot in Stone and Grave. She also knows there will be a scandal. She hears the tone announcing the end of class and goes into the hall just in time to see the chemistry teacher, Mr. Chen, opening his door. Just as Allison steps into the hallway, Ariana is positioned to shove another student into Allison. Ariana drops the cheat sheet, which was positioned between her book bag and her body, so that it's on the floor among Allison's possessions. Ariana then moves on down the hall and...