Having the list of students who did not submit an assignment in a second window is not helpful. All the students should be listed in the assignment window and greyed out until the work is submitted. Not-Submitted should not be another click.
Hi @SciTeacher2020,
Thank you for sharing this feedback with us!
You can add this as an enhancement request if you haven't already through the PowerSchool Ideas Portal, where users can submit their ideas directly to the Product team. It also allows you to review the idea for status updates as well as share the idea with other users to support it by voting.
To learn more about the Ideas Portal, we recommend reviewing the article on PowerSchool Ideas Portal FAQs
On a side note, how do I see the "list of students who did not submit an assignment in a second window"?