Best Mature High School AU Fanfics
The 25 most-loved mature high school au fanfics on AO3, ranked by kudos. The nostalgia of first love, the intensity of teenage emotions, and the relatability of high school experiences.
Top 25 Mature High School AU Fanfics
Ranked by AO3 kudos. Every fic on this list is tagged with high school au and rated Mature.
Force of Gravity
by oceanfruit
Will loved ordinary things, an uneventful existence was something he craved. Sadly, when Mike Wheeler walks into his life, Will’s easy going path snaps right in half. A passion he could never imagine overtaking his whole being. It was too bad their friend groups hated each other and his sister had a
Catch Me, I'm Falling
by EffortlesslyOpulent
Lexa Woods is Arkadia High’s brand new varsity quarterback star, badass and adored by all. Clarke Griffin is a model student who dreams of getting an art scholarship. With Lexa's arrogance and Clarke's stubborn tendencies, they never thought they’d be compatible, much less soul mates. But as fate wo
i'd give up forever to touch you
by geralehane
Clarke's mother is engaged to Lexa's father, and the girls are about to become unwilling step siblings. Instead, they become so much more. Or, step sister au on tumblr. (Lexa is on the autism spectrum.)
Read All About It
by starlightment
Keith is Altea High’s star athlete. And Lance, a wily reporter for the school newspaper, is crushing hard. The only problem? They’ve never actually met before. So when Lance decides to broadcast his long-hidden feelings in an explicitly romantic exposé, he ends up accidentally sparking a school-wide
alexa, define sanity?
by Kazuko (LIXXEN)
Venti has added 14 people to the conversationVenti has changed the conversation title to people that fuck kids or smt lol idkVenti: your english essay or ur lifeDiluc: my lifeDiluc: release me from this prison we call livingJean: do...you need to talk?Kaeya: don’t worry, he’s being edgyVenti: please
Do You Think the Universe Fights for Two Souls to be Together?
by BottomLexa
Lexa gets her tattoo with her soulmate's name before Clarke and is very much confused because "Clarke is a guy's name and I'm not...into guys...?" And Clarke is the new girl in school who thinks the brunette in her history class is very cute. (You can expect fluff and a lot of Clexa).OR Soulmate!AU
Rise Up
by ohNooOOOOoo
When Alex made it to America, he thought things would be better. Not that he would be put in one shitty foster home after another. When he is brought to the Washington's home, he doesn't expect anything to be different. Alex knows he will have to watch his back, the only person he can trust is himse
Between the Sheets
by Tanagariel
Clarke Griffin is a high school student whose life takes a 360º turn the day she meets the substitute teacher of her English class, Miss Lexa Woods.Clarke falls in love with this smart and passionate woman who seems to care for her as well, and yet the young girl knows that she's forbidden. Clarke u
Everchanging
by MultiGoddess
Sanemi has to take custody of his younger brother, Genya, after his father goes too far. After not seeing his baby brother for almost 4 years, can he reconnect with him? Even if he barely recognizes the boy.(Updates every other week or at least once or twice a month){Cross-posted on Wattpad under Mu
Cartman’s Little Red Book
by Sinshipsahoy
Kyle finds out Cartman is very (like, disturbingly) obsessed with him. And so he decides to make the most of it.
oh my archons
by Anonymous
Xiao: VENTI DONT FCUKINH TELL ME YOURE GOJNG TO TURN IN PORN FOR YOUR ESSAYXiao: YOU IDIOTVenti: ITS BETTER THAN HAVING NO ESSAY AT ALLXiao: ANYTHING IS BETTER THAN PORN a genshin impact highschool au chatfic where everyone is gay, horny, and depressed.
The Chasing of Moons
by Helena_Hathaway
The biggest dilemma in all of this is that Frank slept with his future husband. Now Frank’s just got to make sure that the future with him stays intact, but it’s not so easy when present day Gerard seems to hate his guts.
Working our BALLS OFF ⚽️ (HIATUS)
by Koki_Woki
Ness: ohYou’re not saying Karasu: Thats exactly what Im sayingsomeone jumped Aiku: Let’s not make assumptions Karasu: is it really an assumption though?YukiEitaU both saw the stain Kaiser: Well one of your witnesses is blind and the other belongs in special edNot very credible sources if you
One Where: a Miscellany/Commonplace Book
by x_los
Twitter ideas and chatfics I probably will not expand on, et al, cleaned up and collected.
The Nerd and The Cheerleader
by MRR10
Ruby Rose was never a somebody. She had always just been the nerd in everyone's class who no one noticed was there. It came with perks of course, like no one noticing if she was listening to music or staring at the beauty that is Weiss Schnee. All is perfect in her little bubble of a world. All unti
maybe that makes me a fool
by GiuGiu
“You think if you go to a football game you’ll realize you actually like normal, cliche high school stuff and regret never having gone to things before.”“Take that back.”“If I’m wrong,” Ben says, smug. “Then go and prove it.”Klaus glares at his brother. “David, we’re going to Homecoming. And I’m goi
Camp Haikyuu
by StarMouse_Chan
Welcome to Camp Haikyuu! A summer of friendship and fun awaits!In life, there are ups and downs. Bad things can happen to good people. But even when things seem bad, people can still come together and experience something good. This is the aim of Camp Haikyuu.'Man has no wings, so he must find his o
The Forgotten
by Hamliet
As far as the world is concerned, Re Academy is a school for rejects, a ticking time bomb, a place for the children everyone would rather forget. As RAs of Dorm Block 20, Amon, Akira, and Seidou are determined to keep their students in line, but new student Kaneki finds trouble brewing in every corn
Hand around my neck
by sevenssiem
The mark on his neck kept burning, but not as hard as his hate towards Wang Nicholas. But they figured that out. Stay away from each other at school, hook up later, without feelings. This way, they avoided the pain from the mark and also had a good time. But could it really be this easy?
Unexpected
by blackhunter
For the first time, there’s something in which Azula is the last to bloom.Azula has always been comfortable being a beta—betas don’t have inconvenient needs— they don't have heat or insticts, she is fine being a beta, until she realizes she isn’t one.
Lucifer High
by Lost_Romantic
Lucifer High is a prestigious high school that boasts a reputation for its inclusive nature of allowing both the wealthy and the lower class to intermix. Blitz, heartbreaker and fuckboy extraordinaire just started his Senior Year at Lucifer High with a BANG after dating and sleeping with thee, Veros
What it Means to Lie
by pepsi4me
A small town meant anybody new stuck out like a sore thumb. And boy did he. Standing outside the side door of the building admits a crowd of kids, was a boy with dark hair and eyes, holding his schedule out and staring at it very intently. He wore a dark red polo shirt and cargo shorts, with the cle
Off the Blocks
by otherrak
Percy Jackson and Annabeth Chase had gone to the same school for years without really meeting. He knew her name because everyone knew the name at the top of the honor roll. She knew his because everyone knew the swimmer with the trophies, the parties, and the disciplinary record. They existed in the
DOHT One Shots and AUs
by IslayAndLochs
A collection of various One Shots, Blurbs, AUs, and "What Ifs" for The Daughter of History and Time. AKA "The adventures of Faith Fraser and Elias Pound, their chaotic family, and whoever else gets roped in."
You Don't Need to be Lonely Tonight
by auburnplots
If Wylan Van Eck could be anyone for a day. it would be Jesper. Infuriating, irresponsible, disrespectful and arrogant Jesper. Because for as small and insensitive as he is, he doesn’t seem to care. And because maybe then he’d know what it’s like to feel like you belong. Or, at the very least, he’d
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About This List
This list of 25mature High School AU fanfics spans 3,651,902 total words. Kudos range from 65 on the newest entries to 26,837 on the most established. 44% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (25 of 25 fics).
Recurring tags across this list: Alternate Universe - High School · Alternate Universe - Modern Setting · Slow Burn · High School AU · Chatting & Messaging.
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