A faculty of ours suggested if it is possible to include a hide option while you are creating your assignment? As of now, you have to create first an assignment, only then you can hide it after creating an assignment. However, they always forget to hide it because it is meant for later use.
I suggested that make use of the "Common module settings" and set the date when the assignment will be activated. But just the same, they want the Hide option as built-in part of the assignment settings.
Let me know if there is any way to custom the interface of assignment settings. Thanks.