Complex sentence: In 1968 the family moved to Charleston, South Carolina, where Wiles attended St. Andrews Parish High School, and then to Clark AFB in the Philippines, where Wiles graduated high school at Wagner High School, in 1971.
Split into simpler sentences: In 1968 the family moved to Charleston, South Carolina, where Wiles attended St. Andrews Parish High School. In 1970 the family moved to Clark AFB in the Philippines, where Wiles graduated high school at Wagner High School, in 1971.