Based on your description, you want to print all students' works at once in the Teams assignments.
As far as I know, currently, there is no out of box way to meet your requirement. We recommend that you submit requirement for this feature in this Teams UserVoice and many members who has the same requirement with you will vote it in the future. The higher votes, the more attention the related team will pay on. Many good ideas have been taken in this way. Your voice is also important to us.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.