Well, what kind of area do you live in? (City, or rural)
Do you have any special
Do you have working papers?
Unfortunately, its quite hard to find a job for a 14 year old. Although, if your looking for a summer job, I'd start looking now
before the summer gets any closer and these positions fill.
Remember to be prepared (bring a pen with you to fill out applications) and dress nicely as if you were ready for an interview. Something as simple as bringing your own pen could show that your responsible.
Also, when filling out your application, for the things that you can't fill out for one reason for another (say it doesn't apply to you), don't leave blank. Put a slash through it to show that you saw it and had no response (not that you skipped it over). Also, read the instructions!
At Dominos, I look at the applications of applicants, and in some cases, hire them. These are the things I look for and that impress me..