Susan Coolidge 
What Katy Did at School [EPUB ebook] 

Dr Carr’s mind is firmly made up. Katy and her little sister Clover are to spend a whole year away at boarding school. A strange place, far from home, but on arrival the girls have an inkling that it might turn out to be rather different from their expectations. One thing is for sure, it certainly isn’t going to be dull with a girl like Rose Red as an ally.