is it appropriate to wear dresses or skirts to school during the winter? im like inlove with them now.?

if so, what kind of skirts? prints?
are florals okay?, ilove floral skirts , fromlike forever21.
specific names, so i can look up pictures of the skirts/prints or atlest
a link of the skirt your talking about.
thanx ! .
and maybe your fav site w/ skirts and dresses.