Anne Of The Island by L.M. Montgomery,

This is book #3 in the Anne of Green Gables series. Anne is growing up and leaving the Island to spend four years of her life at Redmond College. She meets a wonderful new friend in Philippa Gordon, offspring to an old and exclusive family. Phil's family ties, combined with her beauty and charm, open the gates of all the social cliques and clubs at Redmond. And where Phil went, Anne went. Thus, Anne found her social pathway at Redmond made very easy while other freshettes were doomed to remain on the fringe of things.