Hi, I’m a freshman at VCU. I want to be a piano performance major (I want to be a composer eventually but VCU no longer offers composition as a major) but I’ve only been playing the piano for a couple years. I played the violin throughout middle and high school so I already know a lot about music & have experience playing in ensembles (but I reeaally don’t want to be a violin major for several reasons) and I got a 5 on the AP music theory exam (5s for both subscores) so I’m not worried about the theory aspect. I think I’m advancing pretty fast on the piano and I’m planning to take private lessons next semester. I took a piano class my senior year and played Clair de Lune for the spring recital. I read online that Serenade for the Doll by Debussy is a good college audition piece so I’ve been working on that. I’m planning to audition in either the fall or spring of next year. Is this realistic? I mean, it’s not like I’m auditioning at Julliard or anything, but I have no one to compare myself with (and my situation is pretty unique) so I feel in the dark.
If you want to be a composer I’d recommend a general BA in music. Do they offer that? You can continue with piano and will learn music history, analysis, and theory - all of which are needed for composition. And you’ll probably get to compose in your classes, as well.
VCU does but it’s the same audition; the way VCU is structured I choose the degree after I get in. Thank you for that information though!
One suggestion I have, seek out a faculty member on the piano faculty and ask for an assessment (you prob would have to pay for it, depending on the teacher) and see what they say, if they think you could get into performance there. If for anything, they will tell you your strengths and weaknesses which is never a bad thing:)
I’m confused. You are a freshman at VCU (and which school is that?) but are trying to get in? Are you trying to get into a music school from a position as freshman in the university?
Many BA programs in music do not have auditions at all. Composition is part of any good music major BA . It does not sound like you have the background for a performance major in piano, but we cannot tell of course: still if you say you are planning on taking private lessons next semester, this would seem to imply you have not had a private teacher so far. Is this true?
If you could clarify where you are now and what you are applying to, it would help get more answers. Right now I agree with Spirit Manager that a general music major in a BA program would give you the opportunity to study composition along with more theory, music history, ethnomusicology, technology and so on. You can go on to focus more on composing in grad school.
Don’t worry, there are many ways to follow your goals 
I would guess Virginia Commonwealth . . .