"Abbott Elementary": Quinta Brunson's comedy takes on Philly school struggles

Details: The show follows a second grade teacher, played by Brunson, and other school staff as they navigate trying to educate students while working in an underfunded school district.

• In the teaser, Brunson's character has to deal with "reverse flushing" toilets and questionable odors in the school.

The intrigue: It's loosely based on the stories of Brunson's mother, who spent 40 years as a Philadelphia School District teacher.

What's next: "Abbott Elementary" premieres on ABC Dec. 7.