Complex sentence: Van Fleet received his high school education at the Summerlin Institute in Bartow, Florida, and after graduation in 1911, he received an appointment to the U.S. Military Academy at West Point, New York.
Split into simpler sentences: Van Fleet received his high school education at the Summerlin Institute in Bartow, Florida. After graduating from Summerlin in 1911, Van Fleet received an appointment to the U.S. Military Academy at West Point, New York.