Complex sentence: Crofton House School, located in Vancouver, British Columbia, Canada, is a private, university-preparatory school for girls that is constantly placed at the top of the Fraser Institute's school rankings in years past.
Split into simpler sentences: Crofton House School, located in Vancouver, British Columbia, Canada, is a private, university-preparatory school for girls. It has been constantly placed at the top of the Fraser Institute's school rankings in years past.