There's not much to put onto a CV at the grand old age of 16 and don't be downhearted if you struggle to fill all the boxes on a template CV because you've got so much time to do so much more! When it comes to getting a part time job my past employers saw the CV as a formality, they didn't so much care for what was written on it but for the fact that I went in and handed it in personally, I engaged in conversation and I expressed a genuine interest in the place, then two weeks later I just dropped in again (or phoned up when I couldn't go in) to ask if they had any more information about the offer they could give me as I just wanted to follow up and see how things are coming along. I've had three part time jobs now from doing this and not one of them required me to have an interview like some of my friends have had. Then during my time working for these companies I've seen younger students email in CV's, or maybe get their parents to drop them off for them but none of those people ended up working alongside me because they didn't show to the employer that they have confidence or are pro active!
I hope this might have been useful for you but it does depend what kind of jobs are going in your area.