Take a practice ACT. Some people who have difficulty with the SAT do better on the ACT and vicaversa. Find a practice ACT either on ACT website, or with the book 3 real ACTs which is red. Compare your ACT score to your SAT score with concordance tables, available on both SAT and ACT websites (google "concordance tables"). If you "do better" on ACT than SAT, then study for ACT and take that instead of the SAT. If you attend a public school, then the school might not offer it "for free" if they tend to administer the SAT. If that is the case, go to ACT website, see what dates are available and for which high school locations. Pay the testing fee, or fill out a fee waiver form, and then take the ACT.
If you find that your SAT score is higher than your ACT score (using concordance), then study for and retake the SAT using Xiggi's method or Silverturle's method, etc.
Your SAT score of 1600 is below the 25% percentile of SAT acceptances to UCLA (which was 1760 by a previous poster). UCLA will weigh your GPA and your score (SAT or ACT) very heavily. Thus your chances are rather slim with your current SAT score.
A Hispanic last name, though, may help your chances of admission, although it might be more helpful for you at USC (or other private schools) rather than UCLA. BTW, I know a Hispanic kid, validictorian at HS in East LA, first gen college, who was not admitted to UCLA, so it's tough, although got into UC Berkeley.
Last edited by YoHoYoHo; 09-24-2012 at 04:37 AM.