What are my chances for JMU (James Madison University)?

<p>Hey there! I'm completely freaking out about not getting into my top #1 school JMU...
(I know my GPA is AWFUL)
Freshman: English 9 C+, WHistory A, Algebra 1 B, Biology HN B-, Spanish 1 B, PE A, AVID B, (3.214)
Sophomore: English 10 HN B+, AP World History B, Geometry A-, Chemistry B+, Spanish 2 B+, PE A, AVID B, (3.586)
Junior (My rough year due to Extra curricular obligations) AP Language B-, Tech Theatre B+, AP US History C+, Algebra 2 HN B-, Physics HN B-, Spanish 3 B+, AVID B-, (3.243)
Total GPA (3.35)
Senior (Current grades): AP literature B+, AP Environmental Science B, AP Statistics B-, Government A, Pre Calculas A-, Spanish 4 B, AVID A (3.7)</p>

<p>I used my personal statement explaining my academic history and why I had a drop.</p>

<p>SAT Scores: Math 590, Reading 560, Writing 570
ECs: Captain and record holder for High School Varsity swim team, member of club swim team, Math honors society, spanish honors society, NASA Internship, volunteer at local swim team, Asian student association, attended westpoint leadership invitational conference (they picked 4 people out of our school's junior class), A-B honor roll, random academic and athletic awards..</p>

<p>I have a sister who is an alumni, I am a white male and I'm an in-state student. I just recently received my letter of recommendation from my AP Lang teacher who is also the coordinator of all AP courses and the National Honor Society.
My guidance counselor keeps telling me not to worry and I have a pretty good chance but I just can't stop freaking out about this.. Please respond :(</p>