Help with school?

im a junior in high school i had a 2.3 freshmen year becasue i was a slacker and a 2.7 in sophmore year i know they are really bad but now i have a 3.5 junior year on my psats i got a 500 in reading 510 in math and a 450 in writing, i know they mean nothing i worked at columbia university for the past two summers in a skin lab and before that i was a camp counsalor. im a black belt in karate im the preisdent of my school's ski club and played jv soccer freshmen and shophmore year i know this isnt by far the best high school resume but do you think i dont have to go to a community school