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).
Even with Berkeleyâs fall, many of the University of California schools continue to be a powerhouse on our Top Public Colleges ranking, with U.C.L.A. at No. 8, followed by U.C. Santa Barbara (No. 19), U.C. San Diego (No. 21), and U.C. Davis (No. 25). The best public schools in the country are not just limited to those on the nationâs coasts.