Best Long High School AU Fanfics
High School AU fanfics from 50k to 100k words — full novel length with room for slow development. Curated from AO3, ranked by kudos.
Top 20 Long High School AU Fanfics
Ranked by AO3 kudos. Each fic is tagged with high school au and falls in the 50,000–100,000 words range.
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
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
To Love a Stark
by youbuggme
“So you can see why we are all gathered here, right?” Gendry nodded his head. “I think.” “We all have big boners for Starks.” Ygritte crackled and Theon threw her a venomous look. “So Margaery made a club.” “Oh gods.” Theon muttered in distain. “It’s not a fucking club.”
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 book of us: electricity
by orphan_account
HJ @hyunfortunately 5h;-; i was at the store and this song was playing over the speakers and i tried to remember some lyrics so i could search it up later but i can’t find it this is TRAGICHJ @hyunfortunately 5hit was in korean and it’s kind of got rock-pop-balladish vibes and the first line of it w
The Heart Is The Easiest Thing To Break
by DayDreamingIsMyHobby
Stan Marsh was 12 years old when he told himself there was no way he was in love with his best friend.He was 15 when he finally gave in and admitted his feelings to himself.He was 17 when he realized he couldn't keep the secret any longer.
Tweek's (attempted) Adventures of getting into Craig's pants
by GlassyWishes
It takes exactly one Summer for Tweek to come to the startling realization that he wants to climb Craig like a tree.
Something To Talk About
by mara_cas
When Eiji Okumura, star athlete of the pole vaulting team and well-known sweetheart, begins to hang out with Ash Lynx, lonely high school student with a bad reputation; it makes people talk. As the two of them navigate between silly teenagers’ shenanigans and deeper hardships, will they find in each
I Can Feel It Now
by avengerskye
Lexa never thought that a field trip to the museum would change her senior year of High School. What started as the worst day of her life would soon become the beginning of a wonderful year.
Blue lock chatfic!?
by orphan_account
An alternate universe where they're in a joint highschool + college and they end up going on a school trip!I don't think I need any warnings being said but it's not fully planned out so expect tags to be added :3I've read many blue lock chatfics so I take lots of inspiration from all of em ^^
Learning Curves (and how it all leads me to you)
by TheWanderers
Sanji learns a lot of things as he grows up over the years, but it isn’t until he reaches high school and meets Monkey D. Luffy along with his ragtag band of friends that he truly learns to be happy.
She Was a Sk8r Beau
by Torchiclove
Every day, six teenagers and a tired college student walk into a Wildemount high school. Among them is Beauregard, with a disrespect for the rules and those who make them, well on her way to burning herself out. They don't know each other, yet. Until, one day, they do.
I think it's cute
by heartvu
Eren and Mikasa are normal teenagers who get to do normal things, like have crushes on each other and eat ice cream together and hook up in the car and go to prom. - A healing fic for the EM community. No one is dead, and no one dies.
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.
Perfectly Wrong
by soupgirl88
Jude is starting her senior year and wants nothing more than to stay away from Cardan Greebriar. To her dismay, Cardan has a much different plan. Will his charm and good looks win her over this school year? Or will she continue to hate him for the rest of their lives?
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
We Are Young
by highladycasandra
Senior Rowan Whitethorn is new to town and things are surprising going well. It doesn’t take him long to get used to a new school, make new friends, even join the local hockey team. But it also doesn’t take him long to meet sophomore and figure skater Aelin Galathynius. And it doesn’t take him long
UEFA High
by juanssotos
UEFA High School: A school in Washington, DC, specifically for the children of ambassadors and diplomats working in the capital. These are the hijinks they get up to. Also, don't ask what UEFA stands for.Last chapter summary: Leo and co tour some colleges.
More Long High School AU Fics on AO3
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About High School AU
Characters are reimagined as high school students dealing with teenage drama, first love, and coming-of-age experiences. Classic teen romance tropes apply.
The nostalgia of first love, the intensity of teenage emotions, and the relatability of high school experiences.
Common scenarios: Popular kid and outcast, academic rivals, childhood friends in high school, prom dates, teenage rebellion.
About This List
This list of 20long High School AU fanfics spans 1,539,280 total words. Kudos range from 389 on the newest entries to 9,665 on the most established. 55% are marked complete — check the status flag before committing to a longfic. The most common rating is Mature (7 of 20 fics).
Recurring tags across this list: Alternate Universe - High School · Alternate Universe - Modern Setting · Coming of Age · Slow Burn · High School AU.
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