Accepting, Allowing and Welcome More Students

Hello I am Ben Becker, I am a student who wants to become an Anesthesiologist. I am looking for ways that would look good on my college application for the future. Teachers at Mount Vernon High School aren't accepting more student to join a technology club. After the first day, I asked If I could join. They Rejected me and I beleive that I should be able to join a club more than 5 people in it