Trismegistus I am in top 1% in school, but he says chastity isn't related to my results.
I would carefully observe your results in school, as well as work once you get the keys.
Despite having sex and masturbating constantly I was a B student. After the belt I’m mostly getting A’s so aside from curbing my behavior it seems it helped me there. I also had the ambition to work hard and get to a point I can support myself and my family, takes so much stress off mom and gives us a better life. Not relevant to you obviously, just my own experience.
I support your decision to want out of it, just saying be mindful of how things evolve and make a mature decision on whether using it in a limited capacity may be a good option