I can share another, this one was pretty epic
My classroom in 4th grade was shared by two classes: our 4th grade in the morning, and a 1rst glade classroom in the afternoons. Therefore, our class would be full of drawings made by first graders and they had a fish that was on one of the book/comic shelves.
One day, our class thought of a great prank for our teacher: pretend the first grade’s fish was dead.
And so, when the class started and the teacher was coming, everyone was standing in front of the aquarium, fake crying or just plain shocked. The teacher came and was visibly confused.
“what happened, guys?”
“The... The first grade class fish died!!” Everyone screamed, started crying and just started acting like autists. The teacher was really worried and said “Wait, what?” and almost ran out of the classroom, but then we said “PRANKED!” And started laughing. She also started laughing
Days later, the class is calmly sitting in their seats, talking to each other, when the teacher arrives. She’s mad af, scolding the students as she puts her things in her desk. “Guys, I need to have a serious conversation with you all about your math quizzes... What the hell happened to your GRADES?! Almost everyone had an F, and the best grade was a C-! “ (I think, she actually said everyone had an 4/10, the worst grade was 2/10 and the best grade was 6/10).
Everyone starts panicking, including me, who had bad grades in math. I really started crying, and my best friend was just repeating to herself that her mother was going to beat her to death. (That test was important, ok? Lol) Almost everyone was at least mildly distressed, and while that happened the teacher just stared at us disappointed, until she just started smiling and screamed: “PRANKED!”
One of the best prank revenges I’ve ever seen