The staff of Abbott Elementary has been through a lot: breakups, firings, and the wrath of the It’s Always Sunny gang. Nothing can break them in the upcoming school year, except whoever’s falling through the ceiling into the teachers’ lounge. We said they wouldn’t break, not that the school wouldn’t. In ABC’s season-five trailer, there are some big changes happening to Philly’s favorite teachers: Janine (Quinta Brunson) will be handling 40 second-graders as Melissa (Lisa Ann Walter) moves up to teaching middle-schoolers; Barbara (Sheryl Lee Ralph) is reuniting with a former student who’s now her colleague — a tenured-teacher rite of passage; and Mr. Eddie (Tyler James Williams) is teaching Mr. Johnson (William Stanford Davis) how to ride a bike. Also, wait, is that Mikey Day? Sea

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