Hi @BStutzman !

As you noticed, Canvas does not currently have a feature that would provide this kind of mark for you in the Grade book. When I was a teacher, one thing I did was add a comment like "Late/missing due to absence" so that if I wondered why it was missing, I could click on the arrow where you would normally add the flag and see the comment. Now, be aware that students can see this comment, I also used it as documentation. I am not sure if this idea would work for you, but I wanted to share. We are always looking to improve for our users so please feel free to contribute your feedback to our Ideas page.