Project STEM courses for any year are available through the end of the day on June 30 of that academic year. After that time, access is as follows below.
Course platform and materials: no access after said date
Student forums: no access after said date
Course platform and materials: read-only after said date so that teachers can still access student submissions, grades, etc.
Teacher forums: access continues but help from Teaching Assistants is limited until mid-August.