Complex sentence: In September 2015 it was revealed that Barking and Dagenham London Borough Council were considering asking Robert Clack School to significantly expand to accommodate 2,500 pupils, which would make the Robert Clack the biggest secondary school in England.
Split into simpler sentences: In September 2015 it was revealed that Barking and Dagenham London Borough Council were considering asking Robert Clack School to significantly expand to accommodate 2,500 pupils. The would make the Robert Clack the biggest secondary school in England.