Complex sentence: Bell attended Scotch College, Melbourne in 1929 and 1930, he left school at age 16 during the Great Depression and joined the workforce as an insurance clerk with a stint as a farm hand.
Split into simpler sentences: Bell attended Scotch College, Melbourne in 1929 and 1930. He left school at age 16 during the Great Depression and joined the workforce as an insurance clerk and a stint as a farm hand.