Junior, 30 ACT is it worth retaking?

I'm pretty content with my score however i think i might be able to raise it one or two points, but do you think it will be worth it? I'm looking into schools like Duke, UPenn, Dartmouth, UCLA and i still have to take the SAT and i hate the testing process (I'm a junior) so i want to avoid testing unless it will boost my chances for my dream colleges