Group overrides are useful for granting extensions whether it's for students with accommodations or you want a central location for submissions while varying groups of students have different due dates for their project. In this article, learn how to create group overrides within a Moodle assignment.
This article will outline how to restrict the access of activities to certain categories of students (e.g. name, group, class year, etc.)
Moodle Scheduler can be incredibly useful if you want groups of students to sign up for the same appointment slots.