Dropping out of a university to go to community college?

I'm a 20yr. old second year UF student and i really hate attending the university. I really hate the large cl sizes, lack of attention (especailly with cles), as well has the horrible academic advisors. I only choose to go to UF b/c that's were my mom wanted me to go (I wanted to go to UCF). I started taking cles at SFCC for the summer and I really love it (small cl sizes, and actual teachers instead of TA's). Now i'm trying to find a way to tell my mom that I want to for the next two years get my nursing degree at the community college. My mom honestly pays for nothing school wise (i have scholarships and grants, which i'll continue to get going to the CC), the only thing she pay's for is my cell phone bill (which is around $22 a month) and car insurance. I love my mom to death but she extremely overbearing and annoying, and gets angry when thing arn't her way. What's the best way to tell her what I really want to do?