18... Barely (1999)

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.

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.

Everyone deserves a great love story, but for 17-year-old Simon Spier, it's a little more complicated. He hasn't told his family or friends that he's gay, and he doesn't know the identity of the anonymous classmate that he's fallen for online. Resolving both issues proves hilarious, terrifying and life-changing.

Olive, an average high school student, sees her below-the-radar existence turn around overnight once she decides to use the school's gossip grapevine to advance her social standing. Now her classmates are turning against her and the school board is becoming concerned, including her favorite teacher and the distracted guidance counselor. With the support of her hilariously idiosyncratic parents and a little help from a long-time crush, Olive attempts to take on her notorious new identity and crush the rumor mill once and for all.

Mary is a good Christian girl who goes to a good Christian high school where she has good Christian friends and a perfect Christian boyfriend. Her life seems perfect, until the day that she finds out that her boyfriend may be gay — and that she’s pregnant.

Greg is coasting through senior year of high school as anonymously as possible, avoiding social interactions like the plague while secretly making spirited, bizarre films with Earl, his only friend. But both his anonymity and friendship threaten to unravel when his mother forces him to befriend a classmate with leukemia.

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.

Pittsburgh, Pennsylvania, 1991. High school freshman Charlie is a wallflower, always watching life from the sidelines, until two senior students, Sam and her stepbrother Patrick, become his mentors, helping him discover the joys of friendship, music and love.

A valedictorian's declaration of love for a high-school cheerleader launches a night of revelry, reflection and romance for a group of graduating seniors.

Sutter, a popular party animal, unexpectedly meets the introverted Aimee after waking up on a stranger's lawn. As Sutter deals with the problems in his life and Aimee plans for her future beyond school, an unexpected romance blossoms between them.

A socially awkward but very bright 15-year-old girl being raised by a single mom discovers that she is the princess of a small European country because of the recent death of her long-absent father, who, unknown to her, was the crown prince of Genovia. She must make a choice between continuing the life of a San Francisco teen or stepping up to the throne.

When Bella Swan moves to a small town in the Pacific Northwest, she falls in love with Edward Cullen, a mysterious classmate who reveals himself to be a 108-year-old vampire. Despite Edward's repeated cautions, Bella can't stay away from him, a fatal move that endangers her own life.

At a high-school party, four friends find that losing their collective virginity isn't as easy as they had thought. But they still believe that they need to do so before college. To motivate themselves, they enter a pact to all "score" by their senior prom.

A clinically depressed teenager gets a new start after he checks himself into an adult psychiatric ward.

It's almost graduation day for high school seniors Troy, Gabriella, Sharpay, Chad, Ryan and Taylor — and the thought of heading off in separate directions after leaving East High has these Wildcats thinking they need to do something they'll remember forever. Together with the rest of the Wildcats, they stage a spring musical reflecting their hopes and fears about the future and their unforgettable experiences growing up together. Will their final show break them apart or bring them together for the greatest moment in Wildcat history?

On the first day at his new school, Cameron instantly falls for Bianca, the gorgeous girl of his dreams. The only problem is that Bianca is forbidden to date until her ill-tempered, completely un-dateable older sister Kat goes out, too. In an attempt to solve his problem, Cameron singles out the only guy who could possibly be a match for Kat: a mysterious bad boy with a nasty reputation of his own.

Three high school seniors throw a party to make a name for themselves. As the night progresses, things spiral out of control as word of the party spreads.

A modern-day take on the "Beauty and the Beast" tale where a New York teen is transformed into a hideous monster in order to find true love.

Film geek Josh is looking for the subject of his new documentary when a chance meeting puts the perfect star in his sights—Dylan, his school's most popular junior. But Dylan's hopes of using the film to become Blossom Queen don't quite match with Josh's goal to make a hard-hitting exposé about popularity. Will Josh shoot the film as planned, or show Dylan as the truly interesting person she is?

As their first year of high school looms ahead, best friends Julie, Hannah, Yancy and Farrah have one last summer sleepover. Little do they know they're about to embark on the adventure of a lifetime. Desperate to shed their nerdy status, they take part in a night-long scavenger hunt that pits them against their popular archrivals. Everything under the sun goes on -- from taking Yancy's father's car to sneaking into nightclubs!