Although there is no standard rating for it (PG, PG-13, R, etc.), Rosario + Vampire is set for a teen-based audience (13+).
netflix
Try vampire knight or Rosario + Vampire:
You can watch it on Dubhappy.com.
you can watch the 1st and 2nd seasons subbed at animeseason.com
InuYasha, and if your getting into it The Melancholy of Haruhi Suzumiya. Don't watch Cowboy Bebop and when you get into 13+ watch Rosario+Vampire.
If you have Netflix then just watch it there.
Rosario+vampire Capu3 Does not Exist.
Moka Akashiya, one of the main characters in "Rosario + Vampire," is a vampire who is over two centuries old but appears to be a high school student due to her ability to control her aging.
Crunchyroll removed it..T.T
Rosario + Vampire and Rosario + Vampire Capu2 has 26 episodes : 13 episodes in two series .
Rosario + Vampire does not have a third season.
Rosario to Vampire was completed a few years back.. And then they came up with a Rosario to Vampire II, which is still ongoing and picks up where the ending of Rosario to Vampire left off...