[header] How to catch up on missed schoolwork quickly [title] Let your teacher know of your absence in advance, if possible. [step] You never know when an illness or family emergency will strike. However, if this absence is planned, let all your teachers and the school administration know in advance. 
That way, they can get make-up work to you as soon as possible. [substeps] Say something like, " i'm sorry, but i'll be out of class tomorrow for a family reunion.