Resources for teachers

American Association of Physics Teachers
American Federation of Teachers
National Association of Biology Teachers
National Board for Professional Teaching Standards
National Council of Teachers of English
National Council of Teachers of Mathematics
National Education Association
National Middle School Association
National Parent Teacher Association
National Science Teachers Association
TeachersNetwork.org
United Federation of Teachers

Resources for new teachers

Ideas for New Teachers
I Love Teaching.com
A New Teacher Guide Book

Resources for administrators

American Association of School Administrators
American Federation of School Administrators
Association of Assistant Principals of New York City
Association for Supervision and Curriculum Development
Council of Chief State School Officers
Council of Supervisors & Administrators - NYC
National Association of Elementary School Principals
National Association of Secondary School Principals
National Association of Student Personnel Administrators
National Board for Professional Teaching Standards
National Middle School Association
National Staff Development Council
New York City Elementary School Principals Association
Retired School Supervisors & Administrators - NYC

Additional resources

American Education Research Association
American Library Association
American School Counselor Association
Council for Exceptional Children
International Center for Character Education
National Association for the Education of Young Children
National Association for Gifted Children
National Association of School Psychologists
National Association of State Boards of Education
National Community Education Association
National Council for the Social Studies
National Foundation for Gifted and Creative Children
National Head Start Association
National School Boards Association
New York State Education Department

Technology organizations

Association for the Advancement of Computing in Education (AACE)
Association for Educational Communications and Technology (AECT)
Center for Children and Technology (CCT)
Center for Technology in Learning (CTL)
Consortium for School Networking (CoSN)
Educause
International Society of Technology in Education (ITSE)
International Technology Education Association
Learning Technology Task Force (LTTF)
National Center for Technology Planning
Regional Technology Education Center (R-TEC)
State Educational Technology Directors Association (SETDA)
Technology Student Association (TSA)
US Dept of Ed: Office of Educational Technology
World Council of Associations for Technology Education (WCOATE)