Well, it really depends on how you feel about it. Some people tend to think it's wrong or not. In my opinion it's not wrong, to me it is just awkward. Dating some one 2 grades below you... I'm an 8th grader so I can somewhat relate.
It's okay to date someone younger, but dating a sixth grader is a no-no. You should not date until you're at least fifteen. And, let me guess, his parents don't know. Honestly, I think eighth graders shouldn't even be dating. And, to the other people who answered, it's not love if you're in sixth grade (or it's EXTREMELY unlikely to be so).
I just looked this up...and yup. I am too. Ive been dating him three weeks today... His brother (who is an eigth grader) doesn't like me. But thats ok. My friends approve and he's really sweet and funny soooooo yup. Also, to the person who said that people that age don't know what love is, they do. Studies show that over 50% of the human population marry their 6th-12th grade 'sweetheart'. Not trying to be rude or anything. And if someone doesn't like that you're dating him, don't feel bad. They're just jelly of your amazing relationship. :)