Classroom Teacher Network
http://www. microsoft.com/education/mctn/default.asp
Support for teachers includes Classroom Corner, Community Forum, Viewpoints on Education, New Teacher's Corner, Productivity in the Classroom Online, and Teacher Toolkit.

Knowledge Loom
http://knowledgeloom.org
The Knowledge Loom is a place for educators worldwide to do the following:
* Review research that identifies best practices related to various themes.
* View stories about the practices in real schools/districts.
* Learn to replicate the success of these practices in your own organization.
* Add your own stories, knowledge, and questions to the collections.
* Participate in online events and discussions.
* Discover supporting organizations and resources.

National Foundation for the Improvement of Education
http://www.nfie.org/
Created by the National Education Association in 1969, the NFIE "seeks to ensure that the three million teachers in the nation's public schools have opportunities throughout their careers to keep up to date with new knowledge, new technology, an ever-changing society, and changing expectations for what all students should know.

National Staff Development Council (NSDC)
http://www.nsdc.org
The NSDC is the largest non-profit professional association committed to ensuring success for all students through staff development and school improvement. The Council's fundamental purpose is to address the issues confronted by all participants in the reform process.

TAPPED IN
www.tappedin.org
TAPPED IN™ is the "online workplace of an international community of education professionals. K-12 teachers and librarians, professional development staff, teacher education faculty and students, and researchers engage in professional development programs and informal collaborative activities with colleagues."

Tried and True: Tested Ideas for Teaching and Learning
http://www.ed.go v/pubs/triedandtrue/index.html
This book presents 16 tested ideas for improving teaching and learning, which were developed by--and are available from--the Regional Educational Laboratories. Administered by the Office of Educational Research and Improvement (OERI), the network of 10 Regional Labs works to ensure that those involved in educational improvement at the local, state, and regional levels have access to the best available research and knowledge from practice.

What Works in the Middle: Results-based Staff Development
http://www.nsdc.org/midbook/
Consumer's guide, based on a two-year study by the National Staff Development Council, to 26 staff development programs that boost student learning in the middle grades in the core content areas of language arts, mathematics, science, and social studies by increasing teachers' knowledge and skills. The guide includes a description of the staff development programs, guidelines for selecting and/or designing initiatives to improve student achievement, strategies for evaluating staff development, and more information about how these programs were selected.

21st Century Teachers Network
http://www.21ct.org/index.html
The 21st Century Teachers Network (21CT) is a nationwide, non-profit initiative of the McGuffey Project, dedicated to assisting K-12 teachers learn, use and effectively integrate technology in the curriculum for improved student learning. 21CT seeks to empower teacher leaders by connecting them with people and resources that will assist in the creation of teacher-driven professional development programs.