if i was in ur position lets just say i would make her life a living hell . like wtf they atleast need a legit reason if there going to fail you or give you bad marks you have all the right in the world to know why shes doing this seriosly dude talk to her mabey get your parent's to talk to her to she must have a reason and if she dosent wow she's a bitch and should go and die in a hole