Barbara invites Gregory to her family’s Mother’s Day brunch. Jacob scrambles to figure out how to organize a school field trip.

Barbara’s candle accidentally starts a small fire in the teacher’s lounge and a counselor suggests that she might not be handling the aftermath well. Meanwhile, Melissa rekindles her childhood dream of being a firefighter.

Jacob secures a visit from a mural arts program for his students but doesn’t agree with their chosen design and attempts to influence their decision. Barbara and Melissa learn parents are petitioning to turn Abbott into a Legendary charter school.

Janine spearheads a pilot program that brings a librarian to Abbott; however, when friction arises with one of the teachers, it strains Janine's relationships with both parties. Meanwhile, both Melissa and Jacob deal with some big changes at home.

Ava and Gregory are invited to speak on a panel about public schools. Elsewhere, the other teachers must complete CPR training, and Janine faces challenges securing district approval for her librarian extension program.

Gregory is named Educator of the Year. Later, Janine deals with a difficult student, and it's revealed that Barbara hasn't completed her teaching requirements.

It's a new year at Abbott Elementary, and Janine is as eager as ever. She plans a district-wide initiative - Career Day - and is anxious for it to be a success. Meanwhile, Ava has a new approach to her job, and Melissa is asked a surprising question.

Jacob is shocked when he finds out his colleagues are not invested in his frequent email messages and haven’t even been writing their own replies. Meanwhile, Gregory turns to Janine for help with a former student.

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.

When a new computer program is introduced at Abbott, Janine is excited to finally help Barbara with something. Barbara is reluctant to accept change and finds herself in a tricky situation. Melissa surprises Jacob.

When the school’s art teacher retires, Janine is thrilled when the replacement ends up being her best friend from college, but things quickly turn sour when Sahar gets in the way of Melissa’s class traditions. Meanwhile, Jacob and Barbara bond over their love for gardening and decide to start a school garden; but when it turns out they don’t know how to successfully grow anything, Gregory secretly gets involved to fix all of their mistakes

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.

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

When the staff relates their needs, Principal Ava presents alternative options.

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.

Abbott Elementary takes a field trip to the Franklin Institute; Gregory is eager to spend time with a reluctant Janine; Ava teaches the students about aliens, which leads to chaos.

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.

After a negative teacher review, Janine gets a confidence boost when a student gets transferred from Melissa's class into hers. Jacob tries to forge a friendship with an uninterested Gregory.

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.

Janine's plan for a Memorial Day weekend solo trip is derailed when her mother shows up unannounced asking for help; Gregory notices his colleagues are great at small talk and realizes he needs to brush up on his people skills.

Gregory is hesitant when kids start hanging out in his classroom at lunch, looking to him for advice; Barbara is shocked to find Tariq is dating the mother of one of her students; Janine and Jacob try to hire an ASL interpreter.

After a student is caught smoking, the Abbott staff come together to revamp the outdated drug policy. Meanwhile, Janine tries to prep the new substitute teacher for her class but finds it challenging to give up her former role.

Abbott Elementary is deemed a Philadelphia historical landmark, much to Ava and Janine’s delight; however, Barbara and Melissa are not as impressed. The school plans a celebration in honor of its namesake, but not everything goes as planned.