Complex sentence: Joe attended Monrovia High School for 4 years and lettered in wrestling 3 years straight, he is listed in the Monrovia index as one of the 50 greatest citizens of Monrovia.
Split into simpler sentences: Joe attended Monrovia High School for 4 years and lettered in wrestling 3 years straight. He is now listed in the Monrovia index as one of the 50 greatest citizens of Monrovia.