This is the "big" year - the one that counts the most on your path to college. Make sure you take courses that challenge you and that you do your best in them. Continue your involvement with extracurricular activities, take on leadership roles, look for competitions to participate in. Take the SAT, ACT, and/or SAT Subject Tests. Consider other testing options. For those of you planning to apply early decision or early action, your grades this year will be what the admissions committees will be looking at closely.