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).
Most rankings of colleges and universities are top-heavy with schools from the East Coast (the Ivy League, MIT, etc.), California (Stanford, Cal Berkeley, etc.), and a few schools scattered throughout the rest of the country (University of Chicago, Vanderbilt, etc.).U is ranked #47 on U.S. News & World Report âs list of the Best Public Universities in the United States. The University of Kansas is accredited by the Higher Learning Commission of the North Central Association of Colleges and Schools.