The Smithsonian Office of Education
The Smithsonian Office of Education. Professional development for teachers, lesson plans and teaching resources for grades 4-9.
From the site:
The Smithsonian Center for Education and Museum Studies provides leadership in education at the Smithsonian and produces a variety of programs, services, and resources for the education and museum communities. The Center studies education at the Institution and builds consensus on standards for strengthening its educational programs, publications, and websites.
This website is a collective effort by staff of the Smithsonian Center for Education and Museum Studies. Design and production were done by web firm AKQA.