All excellent schools. I would imagine you are pretty competitive at Davidson already. You might want to consider taking the SAT if you don’t think you can push that ACT up (hey, it’s already good…). My other suggestion: Why don’t you try to push those ECs a bit-- not by adding more of them, but by doing something distinctive with them. If you love photography then try to directly translate that into a significant project that combines your love for photography with the ambition to pull off something cool and valuable-- maybe, say, directing your volunteer activities towards training younger kids in photography, and then leading them in creating some public art or an installation or exhibit that addresses a relevant issue in your community. Schools want to see some accomplishment in your ECs and volunteer work. And, quite frankly, you’ll get better experience from it too (experience that you can parlay into better internships and jobs down the line).