Annenberg Classroom  (University of Pennsylvania's civics education resources for teachers.)
AskERIC  (World's premier database of education literature: citations back to 1966; 107,000 full text documents, 1993-2004.)
Blue Web'n Learning Sites Library  (Database of Internet sites categorized by subject area, audience, and type of lesson.)
Classroom Connect: Technology in the Classroom
Economic Ed Website  (Support & links for teaching economics.)
Education World  (Search engine for educators with 500,000 links to educational sites. Site offers lesson plans, units, curriculum guides, special events, and professional articles.)
Educator's Reference Desk   (Resources and services for educators from the Information Institute of Syracuse University.)
Federal Resources for Educational Excellence (FREE)  (From the Department of Education, hundreds of educational resources.)
Global Schoolhouse  (Database of teachers-tested websites for the classroom or for professional development.)
Internet 4 Classrooms  (Helps teachers use the Internet effectively with links in most curriculum areas. "Links for K-12 Teachers.")
Justicelearning.org  (A collaboration of NPR's Justice Talking and The NY Times Learning Network website.)
Landmarks for Schools  (Provides links to teaching and learning internet resources.)
Math & Science Gateway  (Math and science links from the Cornell Theory Center for K-12 students and educators.)
National Council of Teachers of English
National Science Digital Library  (Digital library for education & research in science, technology, engineering, & math by the National Science Foundation.)
National PTA
NEASC
NOVA Online for Teachers
NWEA
PBS Teachers: Lesson Plans
Phi Delta Kappan
Point of View (PBS)  (Social justice & multicultural resources.)
Science NetLinks  (Site offers standards-based lesson plans, classroom resources, and curriculum benchmarks.)
Smithsonian Education on the Web   (30 easy to follow lesson plans categorized by subject matter.)
Teachers' Domain  (Digital library of multimedia resources and tools for science concepts: i.e. NOVA, A Science Odyssey, & ZOOM.)
Teachers Guide to the Holocaust
Teachers Helping Teachers  (Help for inexperienced teachers, new ideas in teaching methodologies for all teachers, and a forum to share knowledge with colleagues around the world.)
Thinkfinity  (Verizon Foundation's digital learning platform to improve education and literacy in classrooms.)