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Bad Teacher - timeline
A girl who will one day be a teacher at John Adams Middle School is born. (Chicago, Illinois)
Students who will one day be taught by Elizabeth Halsey are born. (Chicago, Illinois)
At a sleepover, a girl wets her sleeping bad and Garrett does not tell anyone. (Chicago, Illinois)
Amy Squirrel has a manic episode. (Chicago, Illinois)
June: After fifth grade ends, Garrett Tiara and a girl in his class do not talk to each other anymore. (Chicago, Illinois)
September: Elizabeth Halsey works as a teacher at John Adams Middle School. (Chicago, Illinois)
June: Elizabeth Halsey leaves John Adams Middle School at the end of the school year. Her fiance' breaks up with her because she was only gonna marry him for his money. (Chicago, Illinois)
September: Elizabeth Halsey returns to John Adams Middle School. (Chicago, Illinois)
December: A winter dance takes place at John Adams Middle School. (Chicago, Illinois)
Friday 25th December: Elizabeth discovers that the liquor store is closed. She is invited to her student Sash Abernathy's house for dinner. Amy Squirrel also attends. (Chicago, Illinois)
March: Elizabeth impersonates a journalist to seduce state professor Carl Halabi. She drugs him and steals the test. (Chicago, Illinois)
April: Elizabeth Halsey's class has the highest test scores and she receives a $5,700 bonus, infuriating teacher Amy Squirrel. (Chicago, Illinois)
June: After getting Amy Squirrel in trouble by framing her for possession of marijuana, Elizabeth finishes teaching the school year and starts a relationship with gym teacher Russel Gettis. (Chicago, Illinois)
September: Elizabeth Halsey returns to John Adams Middle School as a guidance counselor. (Chicago, Illinois)