Teachers can create classes (or groups) of students flexibly from students that they have access to. If you need to make a group from students from multiple classes those classes will need to be shared with you. For example, if you are an interventionist and want to form a small group of students from 3 different 5th grade classes, those teachers will need to share those classes with you to give you access. Here is a short article about how to share classes.
To create a new class or a group of students:
1) Select the class navigation dropdown menu in the left-side navigation bar.
2) Select the link "View All":
3) Look for the Create New Class icon. Select the button and then select the students you wish to add to the class/group.