Complex sentence: He attended the Wilkes-Barre Grammar School and graduated in 1829 from Dickinson College in Carlisle, Pennsylvania, after which he studied law, gained admission to the Luzerne County bar, and commenced practice in Wilkes-Barre, Pennsylvania.
Split into simpler sentences: He attended the Wilkes-Barre Grammar School and was graduated from Dickinson College in Carlisle, Pennsylvania, in 1829. He studied law, was admitted to the bar, and commenced practice in Wilkes-Barre, Pennsylvania.