I'm a teacher. I'm not really used to things working out lol

Good insight^. Now that I've thought about it more- Ideally I'd want it to be like:
Main Slide
Student 6
Return to Main
Student 2 (not Student 6)
Return to Main
Next Student (not Student 2)
Return to Main
Possibly Student 6 again

The same student could be up for discussion more than once, or more than other students, but not back-to-back consecutive.