Jenna is determined to make a fresh start; lingering feelings for Matty harden Jenna's resolve.

Jenna tries to communicate with a distant Matty; Tamara questions Jake's talent for music.

Jenna and Tamara compete with sophomores for the Spirit Week title and attention from Matty and Jake.

Jenna has a college romance while managing a male beauty pageant; Tamara desperately tries to win Jake back.

An amicable group outing devolves as the night goes on; Jenna realizes that she might still have feelings for Matty.

Rivalries and romances all come to a head on the Palos Hills High School senior ski trip.

The annual season bonfire becomes a powder keg when Jenna and Tamara find the boys' girl-rating tradition known as the Phone Book and announce it to the school.

The battle of the sexes erupts again; Tamara and Jenna's "Dude Database" goes viral; a revealed secret causes friction between Jenna and Tamara.

Jenna hires a party bus for Valentine's Day.

Jenna tries to keep everything balanced, but with the stress of college applications and boy-related drama, her final Spring Break is not much of a respite.

Shenanigans ensure while the students enjoy spring break at Ally's rental beach house in Rosarito, Mexico.

Sex, secrets and shenanigans occur at Ally's rental beach house in Rosarito, Mexico.

Some senior pranks manage to cause chaos. Jenna's vow to not think about Matty ends up being tested after she overhears a worrying secret.

Jenna causes an accident at school that has surprising results. Meanwhile Matty must deal with the aftermath of his confrontation with Jake.

While Jenna gets a taste of popularity, Matty struggles with being shunned. Meanwhile, Jake goes after a new girl, and Ally hosts a sex toy party.

Senior Yearbooks are out. Jenna's depressed to see her senior superlative, but what will Matty say in her yearbook?

Prom season arrives at Palos Hills High School; Jenna receives some surprising news.

Jenna refuses to let a series of obstacles ruin her chance at having a dream prom.

The prom takes unexpected turns.

Sadie is forbidden from walking at graduation.

Everyone tries to make the last night of high school count.