Great resource of free, downloadable lesson plan ideas for pre-school. Thematic weekly plans are offered, set up on a daily schedule. Themes include: pets, zoo, ocean creatures, birds, bugs, farm animals, and gardening..
Teaching Tolerance is a project of the Southern Poverty Law Center that's dedicated to reducing prejudice, supporting equitable school experiences, and improving intergroup relationships. Site provides free educational materials to educators in the U.S. and Canada.