If you're older than 50, you've met Sarah Couch. Or one of her sisters. Or someone else who seems to be her spitting image.
Couch is that teacher.
The teacher who grabs you by the mental lapels and insists that you learn, dog-gone it. Eighteen years after her retirement at 72, almost 53 years since she started her teaching career, the indefatigable Couch continues as a regular substitute at Carr. If you don't concentrate, your work will be wrong. And I will grade you at the end of this class. Without a pause, Couch points to Jose, 11.