Advice for admission to UC's as well as opinions so far?

As finals is approaching I’m just really stressing over my grades. I’m a sophomore in HS and I’m wondering what I can do to get into good UC’s (preferably UCLA or Berkeley). I’m currently at a 3.5 right now, taking APUSH, the only AP class sophomores at my school can take. I know my GPA isn’t great, it’s been a rough year for me so far but nothing I can really do about it (both of my grandfathers passed away in September and November). My PACT freshman year was a 24, however my brother got a 21 when he took it freshman year and with some tutoring, nothing crazy, ended up with a 31 (he’s at UVA now). My PSAT was something around 2000, not sure about the specifics as I haven’t looked too much into it. I read somewhere that UC’s don’t look at freshman grades, is that true? My freshman grades were horrible, 3.2 and 3.6. For extracurriculars, I play football, track, 4 other clubs that aren’t anything special, although I am going to work on that this next semester (the clubs are peer tutoring, community service based-club, etc.). I’m nothing amazing at football or track, but I still am pretty good, I’ve been told I could go D3 for football although my heart isn’t really set on it. I don’t really have a hook which is why I’m worried (that and my grades :-S…). However, one thing to note is that the school I go to is very academically rigorous, ranked 3rd in my state. Numbers wise, we had a kid go to northwestern with a 3.8, no legacy, athletic or anything special. One kid got into Stanford with a 4, again, nothing special. My brother also got into UVA, as I stated before, with a 3.68 UW 3.91 W. Also, I do not live in California. Thanks for reading and sorry for any grammatical errors and general disarray, I’m really out of it.

What’s your UC GPA?

@awesomepolgot: Poster is a Sophomore so no UC GPA and has already started another thread.

http://talk.collegeconfidential.com/what-my-chances/1841806-tips-on-admission-to-ucs-what-are-my-odds-so-far.html#latest