Professional Learning Communities
http://dese.mo.gov/divteachqual/sii/prolearning/documents/moplc_fact_sheet.pdf
A short fact sheet as a review of what is a PLC

http://www.mistreamnet.com/videtail.php?who=WCRESA022508N01
Video with 3 segments--Building a PLC, 3 Questions about School Improvement, Leadership Success Stories

All Things PLC

Teacher Tube-PLCs