Complex sentence: Westwind Preparatory Academy was a college preparatory public charter high school in Phoenix, Arizona, operated by Westwind Children's Services, a nonprofit operator of several other Phoenix-area charter schools, Westwind Community Schools.
Split into simpler sentences: Westwind Preparatory Academy is a college preparatory public charter high school in Phoenix, Arizona. It is operated by Westwind Children's Services, a nonprofit operator of several other Phoenix-area charter schools, Westwind Community Schools.