The teachers prepare for the upcoming school year with new faces and big changes on the horizon. Ava makes a big announcement that shocks Jacob and Melissa.

Melissa tries to outsmart her students. Tariq causes chaos in Janine's class, and a new guidance counselor joins the school.

The Abbott crew heads to the ballpark for Teachers' Appreciation Night at the Philadelphia Phillies game.

Gregory steps in to host game night at his apartment. Mr. Johnson, Ava, Barbara and Melissa head to the DMV to renew their licenses.

Barbara organizes a Halloween camping trip for the older kids. Melissa overcomes a phobia.

Abbott Elementary participates in the district's "No Phones Day" initiative.

A new member joins Gregory's Garden Goofballs, and Janine pitches a new club idea to Ava.

Jacob takes the lead on organizing Abbott's annual winter show, and Janine celebrates her 30th birthday, complete with a surprise visitor.

Abbott Elementary returns from winter break at their new temporary school: an abandoned mall. The teachers deal with unique challenges that come with teaching in the new location.

Growing pains hit Abbott Elementary as the PTA pressures Janine and Gregory for answers. Meanwhile, Jacob and Barbara become suspicious of Mr. Morton.

After the faculty finds surprising success operating the school in the mall, they quickly realize they are being taken advantage of. Meanwhile, a new custodian arrives to join Mr. Johnson.

When picture day catches the teachers at Abbott by surprise, chaos ensues.

It's Valentine's Day at Abbott, and the teachers find themselves meddling in students' love lives while navigating their own.