My Chance at Boston University

I just wanted to know what my chance was getting into BU:
GPA: 4.0 4.9
3rd in my class of 510 (top 10% obviously)
SAT: 1280 (This is the weakest part of my app)
In the IB Program
President of Key Club
Founder and President of Operation Smile (A club that helps children with cleft lips receive surgeries)
Secretary of NHS
Class Rep. on SGA
In Principal’s Cabinet
Member of HOSA
Member of SHS
Relay for Life team Captain
over 150 volunteer hours