K-12 lesson plans using the Arts to explore various topics, such as math, history, visual arts, language, theater, dance, etc.
Podcasts and 'video'casts about the arts from the Kennedy Center
CETA
Changing Education Through the Arts, main page
"Beginning Sunday and for at least the next three months, a new organization called Class is bringing some relief, offering a grass-roots network of innovative and inexpensive classes designed by and for a new generation of dance teachers and students."