Complex sentence: As a child, Barrymore was ill-behaved, and he was sent away to schools in an attempt to instill discipline, although the strategy was not always successful and he attended elementary schools in four states.
Split into simpler sentences: As a child, Barrymore was badly behaved, and he was sent away to schools in an attempt to instill discipline. The strategy was not always successful, and he attended elementary schools in four states.