Once you've joined a group, post to your group members
Step 1: Click the "New Post" button:
Step 2: Select the post type:
Step 3: Select "Class Group" as your audience, and post to your group mates:

Step 4: Select one or more folders to post in:
Step 4: Fill out the content of your post:
Step 5: Post as yourself, anonymous to classmates, or anonymous to everyone:
The group post will be labeled in the feed, and only visible to members of that group:
