Complex sentence: At the age of 16, he enrolled at the Hazzard Police Academy, was graduated at 19, and was promptly hired as Deputy Sheriff of Hazzard County by J.D. Hogg.
Split into simpler sentences: At the age of 16, he enrolled at the Hazzard Police Academy. He graduated from the Academy at 19, and was promptly hired as Deputy Sheriff of Hazzard County by J.D. Hogg.