I don’t think there’s anything wrong with having scattered ECs. If anything, it would make you look well-rounded! However, your ECs and leadership positions are very impressive. As for the rest, it depends on what schools you’re planning to apply to. Good luck with the rest of your junior year!
Please chance me for Cal Poly SLO:
http://talk.collegeconfidential.com/what-my-chances/1744399-chance-me-for-cal-poly-slo.html