Developed by the National Endowment for the Arts, The U.S. Department of Education and the John F. Kenney Center for the Performing Arts, ArtsEdge offers free, standards-based lesson plans, news and reports about arts education, and links to other arts related websites. http://artsedge.kennedy-center.org/teach/
The Getty Museum helps teachers develop many different lesson plans that incorporate art into teaching with this useful website. It lists ideas for teachers incorporate examples of visual art into their classrooms and ways for students to express their ideas using multimedia techniques. http://www.getty.edu/education/
IDEA is a joint project of the International Society for Education through Art (InSEA) and UNESCO. The website provides "international models of good practice in arts education" through sample lesson plans from around the world. http://cspace.unb.ca/idea/