California is one of the most popular trend setting states. A number of architecture and design styles have their roots in California. Many California Interior Design Schools teach essential skills of residential and commercial design. Brooks College, Long Beach, America Intercontinental University, Los Angeles, International academy of Design and Technology, Sacramento, Maric college, Sacramento, the Art Institute of California, SanDiego and Westwood College are the major colleges and schools that provide degrees in interior design. California International schools provide you with state of the art courses in interior designing.