Details for Year-End Procedures are outlined on this page.  From here, you will have abilities including the following:

Here, you can see that of the 11 instruments that are still assigned in the “Elementary One” building, 7 of those are to sixth graders.  Furthermore, 52 instruments have not been inventoried (scanned or checked off) in the past 100 days.  Depending on the settings that you established, those 7 or 11 instruments may or may not be automatically ‘returned’ by Da Capo Inventory when you perform the roll-over.  You may wish to double check with your teachers about ensuring that all instruments have been collected, as once the rollover is complete (in about a tenth of a second), all instruments may be marked as returned.