[header] How to know when to stay home from school due to illness [title] Take your temperature. [step] If you have a fever, stay home until it has passed, then continue to stay home for a day or so, or until you feel well again. [title] Close your eyes, and feel your body. 
[step] Do you feel sore and swollen? [title] Check your mind. [step] Can you think as fast as you are used to and draw conclusions? Try to solve a simple equation and see how you do.