bad grades?--- college admissions?

<p>so i really planned on going to Princeton, but i didnt get good grades in 11th grade, but ill be giving SAT in december on which i plan to get a 2000+ ? so is it the end of my dream get into princeton(or any ivy for that matter)? though, i might have a pretty strong co-currics, but i know they dont matter much! is there SOME hope?! :&lt;/p>