Since I live with my aunt, when I turn 18 will I start to get my check?

I moved in with my aunt when I turned 11 because my dad had a few problems. Since I live woth her, she gets like a $600+ chrck for me every month. I haven't got any of it or any for college, so once I turn 18 if I move out, will she still get it? Or, will I be able to get the money since I'll still be a student & on my own? Please help & site source ?!! Btw, I live in Cleveland Ohio if that helps.