NAfME Guitar Council Best Practices for Guitar Years 1 - 4. 

Instructional plans for guitar education. Free sample lesson plans. 

Free video tutorial lessons for beginners and intermediate/advanced players from the GFA

Teacher Guitar Workshops

Guitars (and Ukes) in the Classroom

National Guitar Directors Assoc., for the Promotion of Guitar Education

Educational Resources from the Guitar Foundation of America

NAfME project to feature excellent guitar education programs in schools across all 50 states. 

Austin Classical Guitar Teacher Training

Looking for rep for your guitar ensemble? These publishers regularly put out new music.