Complex sentence: Dickinson was born in Amherst, Massachusetts, where he attended public schools and Amherst Academy, graduated from Yale College in 1823, and studied law in the law school of Northampton, Massachusetts.
Split into simpler sentences: Dickinson was born in Amherst, Massachusetts, where he attended public schools and the Amherst Academy. He graduated from Yale College in 1823 and studied law in the law school of Northampton, Massachusetts.