University of Illinois system
The building is also in close proximity to many campus libraries. The University of Illinois at Urbana–Champaign, one of three campuses of the University of Illinois system, has over 40 libraries; their combined holdings are among the largest in the United States and the world. One such library, The Center for Children's Books, which houses more than 16,000 youth trade books, is located on the bottom floor of the iSchool building.