Complex sentence: Dunwoody High School is a public high school in Dunwoody, an incorporated city in DeKalb County, Georgia, United States and is operated by the DeKalb County School System.
Split into simpler sentences: Dunwoody High School is a public high school in Dunwoody, an incorporated city in DeKalb County, Georgia, United States. The school is operated by the DeKalb County School System.