dinhkt, this process appears to have worked. Thanks so much!

We ended up doing it via the Gradebook History. Thanks!

Also, here is the Canvas documentation on this: https://community.canvaslms.com/t5/Admin-Guide/How-do-I-manage-API-access-tokens-as-an-admin/ta-p/89

If you have issues with the grade sync, please note this other forum post that I made: https://community.canvaslms.com/t5/Canvas-Admin-Discussion/Syncing-grades-from-Canvas-to-Populi/m-p/492061#M7678H...

Hi Adam, This part is not that well documented in Populi.You need to go to the https://cityvision.instructure.com/profile/settings for the user that you want to use for the import.Then on that page, s...

Ok, I will see about submitting a ticket to Canvas. I don't recall a time that Canvas tech support has actually solved one of our issues before though. In some cases they haven't even replied....

Note: Looking through the Gradebook History a little more, it seems like this might be affecting the same students for whom Canvas had earlier (incorrectly) set a 0 on assignments before the term, whi...

In this term, we have several students without 0's in the Gradebook for Missing Assignments. However, our Gradebook Settings, under Late Policies, is set to "Automatically apply grade for miss...

Thanks @dinhkt for the reply. What especially confuses me, though, is that for this term our admin staff person who unsets the 0's each term said that it had happened on some courses that are ...

Yes, there are courses in them. The courses have to be in them, but these terms are for either testing purposes, or else for our accreditors to review sample courses.