NCTE - National Council of Teachers of English provides a wide array of professional and writing resources as well as interesting publications.

NWCA - The National Writing Centers Association provides excellent resources for writers as well as a listing of useful email lists and writing hand-outs.

NBPTS - The National Board for Professional Teaching Standards maintains various resources for those interested in teaching and learning as well as a discussion forum for those interested in National Board Certification.

SCBWI - Society of Childrens Book Writers and Illustrators.