Complex sentence: In the early 1900s, the autonomous, nursing-controlled, Nightingale era schools came to an end--schools became controlled by hospitals, and formal "book learning" was discouraged in favor of clinical experience.
Split into simpler sentences: In the early 1900s, the autonomous, nursing-controlled, Nightingale-era schools came to an end. Schools became controlled by hospitals, and formal "book learning" was discouraged in favor of clinical experience.