In writing a letter of excuse, all the important details should be mentioned (reason,date,name of the student ). Try to refer to this sample: (name of the school) (school`s address) Date: Name of the school head position To Whom it may Concern: Greetings! May i inform you that my son/daugther, (name of the child) has to attend (state the event/reason of absence) on (date) at (location) for (purpose). In connection with this, may i request from your good office that my son be excused on his respected classes for (how many days) due to the said reason. Rest assured that he will do some effort to cope up the lessons that he missed. I do hope that due consideration and approval be extended in this regard. Thank you! Very Truly Yours, Signature over printed name of the parent.