Bring a copy your unofficial transcript with you to the interviews if colleges request. Plan to take the SAT I and SAT II subject tests in the spring. Plan your senior schedule to include challenging courses. Check that your courses fulfill your college requirements. Consider taking a course at a local college if eligible.
Colleges look carefully at courses selected by applicants in their senior year.
Participate in an internship if possible. Your college application is strengthened by community service. The College Board recommends that juniors take the SAT I in May of the their junior year and all applicable SAT II subject tests by June of their junior year. If you plan to apply for early decision to college, you should take SAT tests by June of your junior year. Check your mail.