Complex sentence: George Stephenson High School is a large secondary school in Killingworth, North Tyneside, with several blacks, the A block, C Block, F Block, G Block, and P.E. Block.
Split into simpler sentences: George Stephenson High School is a large secondary school in Killingworth, North Tyneside. The school is split into several blocks: the A block, C Block, F Block, G Block, and P.E. Block.