empty writing desks in classroom

absence absences absenteeism academic academics arithmetic attendance awareness brown chairs chronic class classroom close closed closing cloth cold college collegiate contagion contagious cut cutting deficiencies deficiency desks desktops education effects elementary empty emtpy excused fabric floor flu high higher home ill illness illnesses impact indicator influence influenza keep learning linoleum literacy paneled parents patterned rates reading records room rows school schools season seating secondary sit strike surround tardy unexcused vacancies vacancy vacant walls wood writing