Janine takes it upon herself to fix every problem when she notices a flicking light bulb in the hallway. Gregory asks Barbara for help talking to a parent, which leads him to spend his lunch period in an unexpected way.

It’s Halloween at Abbott Elementary! When a student steals a bag of candy meant to be given out to the kids at the end of the day and starts distributing it during school hours, the teachers band together to find the culprit. Meanwhile, Janine is invited to a Halloween party by an old friend and starts to reconsider her personal life.

The teachers are appalled after seeing a commercial in support of charter schools criticizing Abbott Elementary. When students begin to transfer schools, Jacob, Ava and Melissa invite the leader of the charter school organization to Abbott and ask him to take down the ad. Elsewhere, Janine and Gregory talk about Janine’s relationship with Tariq .

On Valentine’s Day, the Abbott teachers discuss their relationships and plans for the holiday. Janine finds out one of her students has a crush on her and when turning to a colleague for advice, she inadvertently learns a secret about another teacher. Elsewhere, Ava sits in on Jacob’s Black History class after receiving a complaint

The Abbott staff heads to the Pennsylvania Educational Conference. Gregory reluctantly attends after a disagreement with Amber and bonds with Janine over their similarities. Jacob finds himself charmed by the Addington teachers.

Abbott Elementary rallies together to fight the threat from Legendary Charter Schools. Ava pitches a festival to draw parents to school and collect their signatures for a petition. However, Draemond shows up with the intention of derailing the event.

The Abbott teachers turn their open house into a car wash to help raise money for the school.