Home Resource Center Current: School Absenteeism Calculator Educational Tools School Absenteeism Calculator Use this resource to calculate the cost of absenteeism for schools due to illness of students and teachers. Download Related Resources Educational Tools Office Absenteeism Calculator Educational Tools CRE Education Sheet Studies & Articles Clorox® Total 360® System K–12 Pathogen Reduction Study – White Paper Studies & Articles Clorox® Total 360® System K-12 Absenteeism Study – White Paper Studies & Articles Clorox® Total 360® System and Absenteeism Study in K-12 – Case Study Educational Tools Cold and Flu Prevention Tips in the Classroom