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This is an example of a "child" Assignment (Project) whose "parent" is a Class (Group).  This association is shown below.  Contributors choose which geography locations are shown (if any) or Project Admin can hide all.  Project is public, so ownership/membership will show on User pages.

As seen by its Associations at left, this Project is affiliated with (a "child" of) Sample English Class (by Group assocation) and Sample High School 2 (by Admin association).

See more on "Groups" here or possible group structures here.