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

After Janine gets a look at the new charter school down the street, she becomes determined to fix up Abbott and make it just as good. As Gregory goes out of his way to avoid Barbara due to an awkward situation with his personal life, and Ava takes to the school library to host a “Shark Tank”-style pitch to decide what to do with the rest of the funds from the grant.

Janine is thrilled to help introduce a new beverage to the cafeteria, but it ends up causing unexpected consequences for the students, teachers and school plumbing system. Elsewhere, Melissa clashes with her new aide, Ashley, who brings more disruption than help to the classroom.

Ava Fest is back, and with the help of the teachers, Ava’s set on outdoing last year by any means necessary. After Janine accepts the offer for a full-time position at the district, she just has to check off one last thing to make it official.