F (film)  F (also known as The Expelled) is a 2010 British slasher film written and directed by Johannes Roberts and starring David Schofield and Eliza Bennett. A teacher at Wittering College in north London, Robert Anderson (Schofield), is hit in the face by a pupil and forced to take three months' leave to avoid being sued by the parents of the child for giving the pupil an F grade, which is against school policy. Anderson is deeply affected by the incident and upon his return to teaching, he is an alcoholic, emotionally disturbed and separated from his wife, Helen (Aubrey). Their daughter, Kate (Bennett), lives with her mother Helen and has classes with her father, but does not respect him. The headmistress, Sarah Balham (Gemmell), loathes Anderson and clearly wants to get rid of him, but the National Union of Teachers does not allow her to fire him. She indirectly accuses him of bad teaching and bringing alcohol into school. When Anderson reads about violence in another school, he sends a memo advising all employees at the school about the high number of attacks on teachers and auxiliary staff annually. As a result, he is considered paranoid and delusional by everybody at the school. One day, after hours, Anderson is overseeing detention, in which he has placed his daughter. They argue over her use of a mobile telephone during the detention session – he slaps her in the face and immediately regrets it. Soon after, the protagonist notes some strange movements outside the school and discovers that the telephone lines are down. As he stands by a closed window, a milkshake is thrown at him from outside and the message 'U R Dead' appears written in the milkshake. He advises security guard James (Finlay Robertson), who seems uninterested. Meanwhile, another security guard Brian, (Jamie Kenna) has been murdered by hoodies who locked him in a wheelie bin and set fire to it. Looking for his daughter, Anderson visits the school library but, after he leaves, the librarian is confronted by two hooded characters, who murder her. Anderson finds his daughter smoking in the toilets with her boyfriend, Jake Eaves (Max Fowler) and headmistress Balham instructs them all to go home. Kate tells Balham that her father slapped her and Balham asks her to make a statement. Meanwhile, PE teacher Nicky (McKee) passes through the gymnasium and into the changing rooms, where she is attacked by four teenagers wearing hoodies and carrying crowbars.