Complex sentence: The King's School was started in 1984 by the OCC group of churches and used the Accelerated Christian Education (ACE) programme, which has been criticised for promoting racial segregation and young earth creationism.
Split into simpler sentences: The King's School was started in 1984 by the OCC group of churches. Initially and for a number of years it used the Accelerated Christian Education (ACE) programme, which has been criticised for promoting racial segregation and young earth creationism.