Original sentence: It is one of America's most highly selective state schools with several of its popular undergraduate and graduate programs ranked first in the nation.The University of Illinois at Urbana-Champaign (UIUC, U of I, or simply Illinois), is the oldest, largest, and most prestigious campus in the University of Illinois system
Edited sentence: The University of Illinois at Urbana-Champaign is the oldest and largest campus in the University of Illinois system