A directory of classroom materials. The site offers a sophisticated search engine, allowing to limit a topic by grade level, as well as browsing by keyword or subject. Search results lead to lesson plans, curriculum units, and other Web materials for educators. The site is sponsored by the U.S. Department of Education.
A collection of digital resources for teaching science, math, engineering, and technology. Though some of the material is for college-level teaching, quite a bit is geared toward K-12 education.
