On the official website of the AMTA, you will find more detailed information about curriculum, online classes, summer workshops, and other resources. Members can access curriculum materials and webinars.
AST offers a variety of free resources for teachers to organize instruction around students' development of scientific models. The videos are a terrific introduction for teachers unfamiliar with modeling, or unsure of how it might look in a classroom.
AACT offers its members useful webinars on a variety of topics, a subscription to ChemMatters, and access to 25 journal articles each year from the Journal of Chemical Education.