I feel like making all my essays or poems that my teacher assigns to me very pretentious.
Why would you want your essay to be pretentious?
This way I won't have a problem with my teacher and I can enjoy writing my essays.
You should try your best on your essays and so long as your work is good, I see nothing wrong with this tone in your essays. It can be fun to change your writing styles and enjoying the process will probably result in better work.
Yeah I always start with a pretentious first draft. Then I polish it up with some pictures and some swear words. My teacher never notices and it is a fun way of trolling without getting caught.
Considering it's a draft, what you're doing doesn't seem too bad. But on the other hand it seems like a waste of time when you could just do the assignment the right way the first time. I would recommend no longer doing this.