The best Resources I can offer you are these:

Eduscapes by Dr. Annette Lamb - Explore teacher tap, 42 explore, literature ladders for themed resources and lesson plans
Springfield Township Library by Dr. Joyce Valenza -pathfinders for middle/high school subjects; teacher links and resources
Librarian's Index to the Internet -Lii.org - for subject specific websites librarian approved
IPL.org virutal library of resources - go to teens space
Jamie McKenzie's Questioning Toolkit Questions that promote inquiry and learning.

General Education Links- see high school teacher resource links as well...

Remember your State Dept of Education and your State Library offer workshops, resources for teachers and much more.
Best Educational Sites Today(B.E.S.T)
Blue Web’n Learning Sites Library 2,000 outstanding websites categorized by grade level, subject and format
Best on the Web for Teachers Teach-Nology
California Learning Resource Network
Critical Thinking on the Web
Educational Hotlists - online science resources from the Franklin Institute
The Educator's Network
Education Resources Information Center (ERIC)-full text professional articles
ERIC Educator's Reference Desk- go to subjects and search for resources, links and lesson plans
Edutopia links for assessment, teacher information  
Federal Resources for Educational Excellence searchable in a variety of subject areas
Sandra Williams' Government Websites for Students noted for elementary and middle
Kathy Schrocks Guide for Educators
GlobalSchoolNet Foundation - find collaborative learning partners and link kids globally
Marco Polo Home Page
PBS Teacher Source
Scholastic's Teacher Resources
Smithsonian Education for Educators
SOS for Information Literacy - Really just critical thinking skills -Teachers database of peer reviewed lesson plans, by subject, grade and content standards. Also ideas and resources. Excellent source.
Tapped In online professional community
Teacher’s First Content Matrix   lessson plans by subject and grade
Technology Advancing Student Knowledge (TASK)    great resources...SLOW loading website        
Web Sites and Resources for Teachers     collection of websites       
World Wide Web Virtual Library: Education
Google Educator : many resources and updates on great education projects you can use in your classrooms
Yahoo! Teachers : sharing network for lessons
Education World. Articles and ideas for educators often linked to good resources, lessons plans, prof dev