drop down of student list in a class Merged

When in a class, 'Assignments by Students", and on an individual student instead of going back out from that student and to "Assignments by Class" again, it would be great to have a drop down box, as in the last version, in order to switch between students. In other words when in the "Assignments by Students" have a drop down box that is always accessible of all students even when on a current student.