Complex sentence: Trace was educated at Cranleigh School, a boarding independent school in the town of Cranleigh in Surrey, which he left early, and after working as a farm labourer, joined the British Army where he studied at the Royal Military Academy Sandhurst.
Split into simpler sentences: Trace was educated at Cranleigh School, a boarding independent school in the town of Cranleigh in Surrey, which he left early. After working as a farm labourer, joined the British Army where he studied at the Royal Military Academy Sandhurst.