Don't date until you're older. At this age, you don't quite know who you are yet as a person. If you start dating him now, both of you will change drastically by the time you get to high school or college. Trust me. There are guys I liked in middle school who I absolutely would not want to be with now. And also, he might not be "the one"; you'll likely meet several guys before "Mr. Right" shows up.
It's all right to like him, but don't date until your junior or senior year in high school. Minimum. You might want to wait even longer than that. I don't think my mom dated until she was in officer training for the Air Force.
And make sure you actually love him. If you just think he's cute, don't waste your time dating him. Dating is a step closer to marriage, so it should be serious. You can think he's cute, but you must also love him. You have to care about the guy you're with. If you don't, then you certainly wouldn't want to spend the rest of your life with him.