What can I do to beef up my app? (Junior yr.--Stanford, Chicago, NorWestern, etc.)

What can I do to augment and enhance my application?

GPA: 3.7 (UW)

Notable Classes: AP World History (5; A), AP European History (4; n/a [just took test]), AP US (A;?), AP Biology(B;?), AP Amer. Lang.(A;?), AP Macro/Micro (Just taking tests)

SAT: ??
SAT II: ??
PSAT: 192 (I was tired … at least I’m honest about the score though)

Activities:
Debate-
-LD captain (10)
-President (11 & [12 as well])
-Formed and headed special travelling squad for going to national circuit tournaments (omghi2u prep)
-2nd Eastside Catholic tournament, bid to state tournament
-Harvard U. triple octofinalist
-Stanford U. run-off round participant
-Debate camp (VBI) in summers preceding junior and senior year
-20+ hrs. a week researching, writing, practicing, teaching
Boy Scouts
-Eagle Scout
-Senior Patrol Leader (9, 10, 11, 12)
-[Will be] Senior adjutant, National Jamboree during summer
Baseball
-Frosh/Soph (9), JV (10)
-Played summer leagues
Newspaper (11, [12 as well])
-Opinion Columnist
-Copy Editor (I correct grammar, diction, etc.)

And that’s all I can think of. What can I do to solidify my application? These are the schools in which I hold interest:

Stanford
U. Chicago
Northwestern
Princeton
UPenn
Dartmouth
USC or UCLA

<p>Just make sure your SAT score is nothing like your PSAT score, and be realistic regarding Stanford/Princeton/Penn/Dartmouth</p>