As folks mentioned, it's based on posts and whether or not you are a paid member. If you do not renew your premium membership each year, your status will be changed to Senior Member, unless of course the number of posts you have made don't qualify you for that title.

 

Im a senoir at 17!

 

After 100 posts you will become a "Senior Member"

 

Yeah, I do, but that only makes me the king of me!

 

 

06, I didn't know you were that young. Which high school do you attend? You may know my nieces or nephews.