What are my chances of getting into Duke?

<p>What are my chances of getting into Duke, Vanderbilt, or Washington University?
I have a 3.84 GPA career 3.98 current, unweighted, I haven't taken the ACT yet but im hoping for a 30 or higher. I have played the viola for 14 years, I've been in a Professional choir for 10 years, I am on the Varsity law team and will be captain this year, I have played soccer for 13 years, I volunteer as a 1st grade teachers helper, I also volunteer at a museum, the library, and the local senior citizens home. I organized a lucrative fundraiser for relay for life, and christmas caroling at the senior citizen home mentioned above. I was in the school play sophomore year, the school musical junior year, and prom committee junior year. I was on student council sophomore year and I am currently on student council this year, and I was on tech team freshman, and sophomore year. I was also on the singers council at my choir. I am also planning on joining the robotics team this year. I have done many international tours with my choir, and I just finished an engineering internship at a university at the graduate level in electrical engineer research, working on a partical accelerator, which i got college credit for. I have also done an in depth study of world music. I have taken 6 AP classes, and all of my math classes have been honors, and I have taken several other honors classes and electives as well. I am also african american.</p>