Complex sentence: In 1963, Lord Derby laid the foundation stone of the new building and, in September 1964, the new school opened in its current location and from that point onward was called Bury Church of England High School.
Split into simpler sentences: In 1963, Lord Derby laid the foundation stone of the new building and, in September 1964, the new school opened in its current location. From that point onward it was called Bury Church of England High School.