meaning( if you are caught up)

If you are [color=red]caught up with your reading assignment.

Please, tell me what does it mean?

“Caught up with your reading assignment” means that you are up-to-date on your reading, you have completed all of your assigned work.

Note that “caught up in your reading assignment” means that you are so fascinated with your reading that you have lost track of time or of your surroundings.