Mrs. Green is the DSST (Dragon Star School Teacher). We don't know much about her.
Mrs. Green likes Merean the most.(WARNING: This DS School is very dumb for example. 1 + 1.AND THE Dragon Star Team dosn't get it! they say somthing like "err!Ive been studying for this!Um... is it...I GOT IT! Its um...50? Rockhand says. "NO!THAT IS NOT 1 + 1! YOUR SUCH A DOWNGRADE!" Mrs. Greens reply.