My chances?

<p>I'm a junior in high school. I have a 3.66 GPA. I'm going to take the SAT for the first time in January 2013 and maybe the ACT in February. I take honors and AP courses. I'm also in the top 10% of my class. What are my chances to getting accepted at UT at Austin? what should I do to increase my chances?
I want to apply to the school of music.</p>