Complex sentence: St. John's Academy was later renamed St. John's High School, later during renovation, St. John's Elementary School was added, followed by the move to a new school in 1977 as Darlington High School when it was combined with Mayo High School in 1995.
Split into simpler sentences: St. John's Academy was later renamed St. John's High School, later during renovation, St. John's Elementary School was added, followed by the move to a new school in 1977. It was renamed as Darlington High School when it was combined with Mayo High School in 1995.