The neighboring construction site of a new golf course causes issues at Abbott, forcing the teachers to find creative solutions; an HR representative visits the school; following their kiss, Janine and Gregory's relationship status is revealed.

When it's revealed that a student in Jacob's class has ringworm, the faculty must band together to stop it from spreading through the entire school.

Janine gets a budget for class pets, but Melissa is resistant to taking on the added work and responsibility for her room's guinea pig; an IT rep from the school district arrives to set up new computers.

It's Halloween at Abbott Elementary! Janine and Gregory proudly show off their couple's costume, but it fails to translate. Meanwhile, Barbara faces pushback from parents concerned about hygiene and her beloved apple-bobbing tradition.

Gregory forms a bond with one of his students, but the student's dad becomes jealous of their relationship and seeks a confrontation. Melissa suffers a fall but avoids receiving medical attention for the injury.

When the neighborhood deli is forced to close to make room for a trendy smoothie place, Melissa, Barbara and Jacob team up to fight the gentrification. Meanwhile, the district asks Ava to give a presentation to fellow principals.

Despite a few setbacks, Barbara is determined to make Abbott Elementary's first-ever holiday show a success. Meanwhile, Jacob's brother arrives for his visit earlier than planned.

Melissa hosts the Schemmenti family Christmas Eve dinner and goes to great lengths to make sure everything is perfect. Meanwhile, Janine and Gregory get an unexpected guest.

Ava announces the school district is sending a group of volunteers to help out at Abbott; however, when they arrive, things don't go as planned.

Janine must rethink her lesson plans after her class performs poorly on a practice test, while Jacob struggles to engage a disinterested student. The district sends a new custodian to train under Mr. Johnson.

City buses have stopped running due to a strike, resulting in many students being absent from school. The teachers at Abbott try to find creative solutions and adapt to hybrid learning. Meanwhile, Gregory and O'Shon strike up a friendship.

The Abbott Elementary students and staff are invited to a special grand opening preview of the Girard Creek Golf Club.

While supervising the kids making their science fair projects, the teachers' competitive sides come out.

Ava and the Abbott teachers plan for the annual school district budget meeting. Meanwhile, Janine and Gregory prepare for Valentine's Day as a couple.

During Abbott's 100th day of school celebrations, Barbara receives a surprise from her daughter. Melissa, Jacob and Mr. Johnson join forces to conduct a search party.

A debate over a controversial book leads Ava to remove it from the library, but some parents push for its return.