Excused and unexcused are the two types of excuses.
Excused Absences are acceptable.
Unexcused Absences are unacceptable.

Excused Absences	Unexcused Absences
Sickness Religious holiday and instruction (can't exceed 3 hours a week) Family Vactions Serious illness or death of a family member or close relative Appointments that can't be scheduled outside of school Approved school activities Family emergencies Court appearances Suspensions	Absences without permission (parental or administrative) Arriving more then 5 minuate to class (hours 2-6) Oversleeping or missing the bus Failure to follow proper procedures when leaving the school building Babysitting Work at a business (unless under school sponsered release program) Any other absence that aren't considered "Excused"

All of the "Excused" absences are "Unexcused" unless a parent or guardian calls the school to tell them you won't be there.