Workshops/Seminars for High School Teachers
The Center for Supporting Excellence in Teaching (CSET) offers short courses focused on the development of effective instructional practices for a variety of content areas and grade levels. Dates and topics vary but many courses are focused on STEM. See especially their Content Deepening Courses and Professional Learning Design Labs.
The Stanford School of Design (d.School) K12 Lab Network offers various workshops for K-12 teachers and administrators, including Discover Design Thinking and Project Wayfinder Educator Training.
Intrologic is a training program for teachers interested in teaching Logic to students in grades 9-12. The program is held during the summer at Stanford. Tuition for five days of training is $750 and includes course materials, lunch, and special events. Laptops or tablets are required but are not provided.