Concrete is a mixture of cement, water, sand, gravel, crushed rock, or other aggregates. Sometimes, one or more admixtures are added to change certain characteristics of the concrete, such as workability, durability, and time of hardening.
Top 100 Colleges by Highest Tuition. Here are the top 100 most expensive colleges by tuition for the 2008-2009 school year. The latest numbers can be found in our most expensive colleges ranking. Notes: Some colleges like Bates College, Colby College, Middlebury College, and Union College have a comprehensive fee (tuition + room/board).
Pride, Joy and Eyes on the Future. Convocations for the Peoria, Rockford and Urbana-Champaign College of Medicine campuses celebrated the achievements of the students graduating from each site. The University of Illinois is among the largest medical schools graduating classes in the United States.