Complex sentence: On 22 September 2006, a new entrance to the school was officially opened by former Archbishop of Sydney, the Most Reverend Sir Marcus Loane, KBE and attended by the Lord Mayor of Sydney, Clover Moore, as well as many parents and friends of students.
Split into simpler sentences: On 22 September 2006, a new entrance to the school was opened. The entrance was opened by former Archbishop of Sydney, the Most Reverend Sir Marcus Loane, KBE and attended by the Lord Mayor of Sydney, Clover Moore, as well as many parents and friends of students.