Janine convinces Ava to start a gifted program at Abbott led by Jacob. However, when some students begin to feel left out, Gregory and Janine put their heads together and come up with a solution. Elsewhere, Barbara pushes a hesitant Melissa to start dating again.

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.

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.

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

Ava and the teachers must band together to hide the golf-course contraband.