Complex sentence: Hawks finished his junior year of high school at Citrus Union High School in Glendora and was then sent to Phillips Exeter Academy in New Hampshire from 1913 to 1914; his family's wealth may have influenced his acceptance to the elite private school.
Split into simpler sentences: Hawks finished his junior year of high school at Citrus Union High School in Glendora. He was then sent to Phillips Exeter Academy in New Hampshire from 1913 to 1914; his family's wealth may have influenced his acceptance to the elite private school.