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Things about to change around here! Recess is over.
~ Elizabeth Halsey

Ms. Elizabeth Halsey is a gold digging, drug-abusing teacher who uses children for sex and the main antagonist of the 2011 comedy movie Bad Teacher.

She was portrayed by Cameron Diaz.


Elizabeth Halsey is a gold-digging Chicago-area middle school teacher at the John Adams Middle School ("JAMS" as her faculty staff called it) who curses at her students, drinks heavily, smokes marijuana, and only shows movies (such as Stand and Deliver, Scream and Dangerous Minds) while she sleeps through class. She plans to quit teaching and marry her wealthy fiance, but when he dumps her after he and his distrusting mother have been realizing she is only after his money (to which she spent $15,000 the week before) she must resume her job. She tries to win over substitute teacher Scott Delacorte, who is also wealthy; however Amy Squirrel, a dedicated but overly enthusiastic teacher and colleague of Elizabeth, also pursues Scott while the school's gym teacher, Russell Gettis, makes advances on Elizabeth, which she rejects (despite that he seems to be a far better match for her personality than Scott).

After learning Scott's ex-girlfriend Catherine had large breasts, Elizabeth plans to get surgery to enlarge her breasts, believing she is being overlooked by him. However, she cannot afford the $9,300 procedure. To make matters worse, Scott admits that he has a crush on Amy, only viewing Elizabeth as a friend. Elizabeth attempts to raise money for the surgery by participating in her 7th grade class car wash in provocative clothing and by manipulating parents to give her money for more school supplies and tutoring, but her efforts are not enough. Amy, acting on the growing resentment between them due to her pursuit of Scott and ignoring of school rules, attempts to warn the principal about Elizabeth's embezzlement scheme, but he dismisses her claims as groundless.

Elizabeth later learns that the teacher of the class with the highest state test scores will receive a $5,700 bonus. With this knowledge, Elizabeth decides to change her style of teaching, forcing the class to study intensely for the upcoming test. However, the change is too late and insufficient. The students have low scores on their quizzes, frustrating her even more. Meanwhile, she befriends Russell the gym teacher as Amy and Scott start dating. Elizabeth steals the state test answers by impersonating a journalist and seducing Carl Halabi, a state professor who is in charge of creating and distributing the exams. Elizabeth convinces Carl to go into his office to have some sex, but drugs him and steals the test. A month later, Elizabeth wins the bonus and finally completes the money and pays for the appointment to get her breasts enlarged.

When Elizabeth learns that Amy and Scott are chaperoning an upcoming field trip, she smears an apple with poison ivy and leaves it for Amy, who ends up with blisters covering her face and cannot go. On the trip, Elizabeth seduces Scott. They dry hump and Elizabeth secretly calls Amy using Scott's phone leaving a message recording all the action ensuring she knows about the affair. However, Scott's peculiar behavior, which was subtly exposed by Russell when Scott would agree with anything even if it's contradictory, disappoints Elizabeth. Elizabeth later gives advice to one of her students who has an unrequited crush on a superficial girl in class who was just like her, which causes her to reflect on how she has been superficial as well.

After hearing Elizabeth and Scott having sex, Amy switches Elizabeth's desk with her own to trick the janitor into unlocking Elizabeth's sealed drawer. The evidence Amy finds leads her to suspect Elizabeth cheated on the state exam. Amy informs the principal and gets Carl to testify against her. However, Elizabeth took embarrassing photos of Carl while he was drugged and uses them to blackmail him to say she is innocent. Having noticed her desk was switched, Elizabeth informs the principal that some teachers in the school are doing drugs. When the police bring a sniffer dog to search the school, they find Elizabeth's mini liquor bottles, marijuana and Oxycontin pills in Amy's classroom, in Elizabeth's desk. Amy is moved to the worst school in the county by the superintendent. Scott asks Elizabeth to start over, but Elizabeth rejects him in favor of a relationship with Russell.

