Complex sentence: Simmons was born in Montgomery, Alabama and grew up in Dallas, Texas, where he attended Nathan Adams Elementary, T. C. Marsh Middle School and is a 2005 graduate of W. T. White High School.
Split into simpler sentences: Simmons was born in Montgomery, Alabama and grew up in Dallas, Texas, where he attended Nathan Adams Elementary and T. C. Marsh Middle School. He is a 2005 graduate of W. T. White High School.