Complex sentence: A second high school, Edina West High School, opened fall, 1973, next to Valley View Junior High School, and Edina High School was renamed Edina East High School.
Split into simpler sentences: A second high school, Edina West High School, opened in 1973 adjacent to Valley View Junior High. At that time, what was known as Edina High School was renamed Edina East High School.