Complex sentence: After spending several years working for a local fisher, he saved enough money to attend a local school, which he attended until the tender age of eight, when he dropped out to care for his ill mother, who had acquired tuberculosis the previous winter.
Split into simpler sentences: After spending several years working for a local fisher, he saved enough money to attend a local school. He attended until the tender age of eight, when he dropped out to care for his ill mother who had acquired tuberculosis the previous winter.