From pbskids.org, Lots of Educational Games that your kids will enjoy.

Our FREE library features over 20,000 web-based resources for K-12 students, teachers and families. Just click on a grade level and topic to view dozens of sites with tutorials, games, movies, simulations, primary source documents, and more!

Resources for Arts & Music, Health & Phys Ed, History & Soc Studies, Language Arts, Math, and Science. More than 1,500 federally supported teaching and learning resources are included from dozens of federal agencies. New sites are added regularly.

TeacherPlanet features over 350 theme based resource page. This is a portal for lots of teaching resources.

Lesson Plans for Ancient History, Animals, Astronomy/Space, Earth Science,  Ecology, Economics, Geography, Human Body, Language Arts, Literature, Mathematics, Physical Science,

A web portal to great educaional websites for kids. Originally created in 1997 by the first Children and Technology Committee of the Association for Library Service to Children (ALSC), a division of the American Library Association. Currently maintained by the ALSC Great Web Sites Committee.

abcteach is the place for kids, parents, student teachers, and teachers. 5000+ free printable pages and worksheets. Over 20,000 worksheets available when you subscribe.

Ed Helper offers thousands of math, spelling, and vocabulary worksheets. They also offer worksheets on Science, Social Studies, History and Geography. Subscription needed. Check it out!