What are some interesting plot ideas for 'Harry Potter high school au fanfiction'?

A cool plot for 'avengers high school au fanfiction' might involve a mystery. Maybe there are strange happenings in the school like objects floating around mysteriously. Wanda Maximoff could be the one who initially notices and tries to figure it out with the help of Vision. Meanwhile, Black Widow could be the popular girl who is secretly a spy, investigating a possible threat to the school from the inside.

One idea could be Merlin as the new student with mysterious powers. He tries to hide his magic from everyone, but it keeps getting him into trouble, like accidentally making things levitate in class. Another could be a high school version of the Arthur - Merlin relationship, where Arthur is the popular jock and Merlin is the nerdy outcast, but they become friends over time.

One idea could be that Ciel is the new student council president, trying to reform the school's old - fashioned rules while dealing with a rival group led by Alois. Sebastian could be his loyal butler and also a star student in various subjects, secretly helping Ciel with his plans.

Maybe in this fanfiction AU, the relationship between Harry and Hermione develops romantically during the fourth year. This would change the dynamics of their friendship and how they interact with Ron. They could face challenges together in the tournament, relying on their newfound feelings to get through difficult situations.

One idea could be that Harry discovers a new, hidden magical ability within himself that helps him in the final battle against Voldemort. For example, the ability to communicate with the spirits of Hogwarts founders for guidance. Another could be that the relationships between the characters take a different turn. Maybe Hermione and Ron have a huge fight early on and Hermione teams up with Draco for a while out of necessity, which changes the dynamics of the whole group. Also, Neville could have an even more prominent role, leading a secret group of students who are training in a new form of magic that they hope will give them an edge in the fight.

Obviously, Harry could still be a main character. He'd be the brave new kid in high school, trying to make friends and figure out his place. Hermione would also be there, the super - smart girl who is always acing her classes and getting involved in every club. Ron could be Harry's best friend, the laid - back but loyal guy. And Draco could be the rich, snobby kid from the 'popular' group who constantly gives Harry a hard time.

A story could revolve around a new student who has an unusual connection to the school wards. This student can sense when the wards are weakening or strengthening. The other students initially suspect this new student of causing problems, but in fact, they are the key to saving the school when an external force tries to break through the wards.

One idea could be a story where a new student arrives at Salem School with a mysterious power that has connections to the wizarding world of Harry Potter. This power could draw the attention of both good and bad forces within the Salem School community.

A cool plot could be that a wizard decides to study at a Muggle school to understand Muggle culture better. He might struggle with basic Muggle things like using a calculator or writing with a pen instead of a quill. Meanwhile, he could use his magic in very subtle ways to help his Muggle classmates, like making a wilted plant in the classroom come back to life. This would create a lot of humorous and heartwarming situations as he tries to fit in.

Well, perhaps in the 'Harry Potter Back to School' fanfiction, there could be a situation where the Marauder's Map starts showing strange new passages and rooms that weren't there before. Harry, Ron, and Hermione decide to explore these during their free time. Also, what if the Sorting Hat gives a very different speech this year, hinting at some big changes coming to Hogwarts? Maybe it could be about a new alliance between the houses. Additionally, a plot could involve a magical creature escaping from the Forbidden Forest and causing chaos in the school corridors as students are coming back to school.