Gregory is hesitant when kids start hanging out in his classroom at lunch, looking to him for advice as the "cool teacher." Barbara is shocked to find Tariq is dating the mother of one of her students. Janine and Jacob try to hire an ASL interpreter.

When Barbara's church choir uses the gym for rehearsals, Ava notices tensions in the group. Jacob's eagerness for a full social calendar worries Gregory. Melissa and Janine investigate a new substitute.