Complex sentence: Centinela Valley Union High School District, a Los Angeles County district headquartered in Hawthorne, California, operates high schools serving Lawndale, most of Hawthorne, and a portion of El Segundo.
Split into simpler sentences: Centinela Valley Union High School District is a school district headquartered in Hawthorne, California, United States. The district operates high schools serving Lawndale, most of Hawthorne, and a portion of El Segundo.