Complex sentence: In 2006 the school was informed that it would be merging with another local school, Wortley High School, to form a new school because of the falling birth rate in the local area.
Split into simpler sentences: In 2006 the school was told that it would be merging with local school Wortley High School to form one new school. This was said to be due to the falling birth rate in the local area.