Asickleaverequestletterforstudentsisaformalnotewrittentoinformschoolauthoritiesaboutastudent'sinabilitytoattendclassesduetoillness.Itshouldincludethestudent'sname,classdetails,datesofabsence,abriefdescriptionoftheillness,andarequestforpermissiontomissclasses.Parentsorguardiansusuallywriteandsignthisletteronbehalfofyoungerstudents,whileolderstudentsmaywriteitthemselves.Thelettershouldbepolite,concise,andsubmittedtotheclassteacherorschoolofficebeforeorimmediatelyaftertheabsence.Someschoolsmayrequireadoctor'snoteforlongerabsences.