The Council for Exceptional Children (CEC), offers a free tool of the week for teachers. These include downloadable tips on a wide variety of topics including behavior, collaboration/co-teaching, life and social skills, transition, and much more. Sign up at tooloftheweek.org to get an email with the tool or just look on the site.
The POWER AAC modules, available at https://www.pattan.net/Assistive-Technology/AT-for-Communication/POWER-AAC, is a training series developed by PaTTAN with Gail Van Tatenhove, CCC-SLP. POWER AAC (Partner, Opportunities, Words, Evidence, and Resources) AAC consists of 11 training modules designed for individuals or teams supporting students with complex communication needs who use or need Augmentative or Alternative Communication (AAC).
This training series is free and modules range from about 30 minutes to just over an hour and are perfect for professional development.
The modules include such titles as: Assess Classroom Practices, Provide Supports and Scaffolds, Practice Partner Skills, and Collect Evidence to name a few.