i don't know what to do with my life

So, I always thought you were supossed to know (or at least have a clue) of what you wanna do when you're an adult, turns out it's not.

Today at school, the teacher (who's a bit of an dick tbh) made us to meditate about what we were going to do once we graduate due to a fight that happened minutes before his class.

And then it came, I don't know what I'm going to do once I get out of that shit hole- neither have a single clue.

Has anyone felt like this as well? I'm scared I won't be able to achieve nothing in my life