It’s 1990-something, and since Lainey still hasn’t achieved rock ‘n’ roll greatness, she returns to William Penn Academy as the new music teacher.

一位高中教师采取极端措施来赢得学生的喜爱。

A high-school teacher goes to desperate measures to win over her students.

Lincoln and his friends officially start going to middle school, but problems arise when Lincoln learns that he's stuck in a different class from his friends. And when he tries to get transferred to his friends' classroom, he instead ends up being moved to a different school in Canada! Meanwhile, Lori has trouble fitting in at college, and Lynn Sr. and Rita try to get Lily to finish potty training.