- Academic Info
Teaching U.S. History – Directory of online educational resources on teaching American history.
- Educator's Reference Desk
Contains more than 2000 unique lesson plans which were written and submitted by teachers from all over the United States and the world.
- Education World
Ideas and planning resources on the arts, language, history, literature, social science, sports, and more.
- The Gateway
The key to one-stop, any-stop access to high quality lesson plans, curriculum units and other education resources on the Internet.
- PBS TeacherSource
4500+ free lesson plans and activities on arts & literature, health & fitness, math, science, social studies, and more.
Lesson plans on art, music, language arts, science, social studies, seasons, career development, and more.
- NIDA – The National Institute on Drug Abuse
- Water Resources Information for Students and Teachers
Information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge.
- WiredKids: Educators, Information for Teachers
WWired Kids, Inc. is a U.S. charity dedicated to protecting all Internet users, especially children, from cybercrime and abuse. It operates several programs and Web sites designed to help everyone learn how to protect their privacy and security online and to teach responsible Internet use.