Cady Heron is a hit with The Plastics, the A-list girl clique at her new school, until she makes the mistake of falling for Aaron Samuels, the ex-boyfriend of alpha Plastic Regina George.

A dethroned queen bee at a posh private high school strikes a secret deal with an unassuming new student to enact revenge on one another’s enemies.

College "frenemies" Lauren and Katie move in together after losing a relationship and rent control, respectively. Sharing Katie's late grandmother's apartment in New York City, the girls bicker with each other until one fateful night, when Katie's noisy bedroom activities make Lauren barge in and discover a dirty little secret. This revelation brings them closer together, and Lauren (the brains) and Katie (the talent) concoct a wildly successful business venture. As profits swell, the girls reevaluate their hopes and dreams and realize that just because someone pees in your hair in college doesn't mean she won't be your best friend 10 years later.

Bianca's universe turns upside down when she learns that her high school refers to her as a ‘DUFF' (Designated Ugly Fat Friend). Hoping to erase that label, she enlists the help of a charming jock and her favorite teacher. Together they'll face the school's mean girl and remind everyone that we are all someone's DUFF… and that's totally fine.

Unpopular best friends PJ and Josie start a high school self-defense club to meet girls and lose their virginity. They soon find themselves in over their heads when the most popular students start beating each other up in the name of self-defense.

New student Cady Heron is welcomed into the top of the social food chain by the elite group of popular girls called ‘The Plastics,’ ruled by the conniving queen bee Regina George and her minions Gretchen and Karen. However, when Cady makes the major misstep of falling for Regina’s ex-boyfriend Aaron Samuels, she finds herself prey in Regina’s crosshairs. As Cady sets to take down the group’s apex predator with the help of her outcast friends Janis and Damian, she must learn how to stay true to herself while navigating the most cutthroat jungle of all: high school.

With the occasion all but overshadowed by her sister's upcoming wedding, angst-ridden Samantha faces her 16th birthday with typical adolescent dread. Samantha pines for studly older boy Jake, but worries that her chastity will be a turnoff for the popular senior. Meanwhile, she must constantly rebuff the affections of nerdy Ted, who is unfortunately the only boy in school who seems to take an interest in her.

High school hotshot Zach Siler is the envy of his peers. But his popularity declines sharply when his cheerleader girlfriend, Taylor, leaves him for sleazy reality-television star Brock Hudson. Desperate to revive his fading reputation, Siler agrees to a seemingly impossible challenge. He has six weeks to gain the trust of nerdy outcast Laney Boggs -- and help her to become the school's next prom queen.

Two high school girls are best friends until one dates the other's older brother, who is totally his sister's nemesis.

After a messy breakup with her high school boyfriend, April strikes up an unexpected friendship with his new girlfriend, Clara.

A group of friends reunite ten years after their high-school graduation.

When nerdy high schooler Dani finally attracts the interest of her longtime crush, she lands in the cross hairs of his ex, a social media celebrity.

Reluctant to let go of college life, a close-knit team of seven friends--irresponsible saxophone player Billy, young Republican Alec, his girlfriend Leslie, struggling journalist Kevin, drama queen Jules, lovesick waiter Kirby, and Wendy, a social worker with a heart of gold--realise the party is over. And as the burdens of maturity close in on the young dreamers, the complexities of adulthood and the daily struggle of growing up put their sacred friendship to the test. But everyone knows life is not a bed of roses. It won't be easy, but when all is said and done, what will it take for St. Elmo's clique to find its place in the real world?

Unjustly accused of staging a spooky practical joke complete with ghosts, Daphne, Velma, Fred and Shaggy are suspended from Coolsville High. To clear their names, they team up to solve the supernatural mystery…and head straight into nonstop laughs and adventure.

Two academic teenage superstars realize, on the eve of their high school graduation, that they should have worked less and played more. Determined to never fall short of their peers, the girls set out on a mission to cram four years of fun into one night.

A listless and alienated teenager decides to help his new friend win the class presidency in their small western high school, while he must deal with his bizarre family life back home.

Jaded 74-year-old lizard Leo has been stuck in the same Florida classroom for decades with his terrarium-mate turtle. When he learns he only has one year left to live, he plans to escape to experience life on the outside but instead gets caught up in the problems of his anxious students — including an impossibly mean substitute teacher.

Keith Nelson, an artsy high school outcast, tries to land a date with popular girl Amanda Jones with some help from his tomboy best friend, Watts. However, Watts realizes she likes Keith as more than just a friend and tries to convince him to stop pursuing Amanda. Matters are further complicated when Keith's invitation draws the ire of Amanda's rich yet snobby ex-boyfriend, Hardy Jenns, who makes plans to get even.

The friendship of a group of young friends struggling with teen sex, drugs, and work is jeopardized by a romantic interest which may turn pals into bitter rivals.

An aspiring music journalist lands her dream job and is about to move to San Francisco when her boyfriend of nine years decides to call it quits. To nurse her broken heart, she and her two best friends spend one outrageous last adventure in New York City.