Complex sentence: The Tippie College of Business at the University of Iowa, established as the College of Commerce in 1921, is one of the oldest and top ranked business schools in the United States.
Split into simpler sentences: The Tippie College of Business, better known as "Tippie", is the business school located at the University of Iowa. Established as the College of Commerce in 1921, Tippie is one of the oldest and top ranked business schools in the United States.