Absenteeism data has been produced using the same methodology since academic year 2010/2011. Absenteeism may be described as the students' absence from school, be this authorised or unauthorised. Students attending primary and secondary schools are all in scope for this exercise. Information on students attending state schools is based on administrative records obtained from the Ministry for Education and Employment (MEDE). Data on the non-state sector are collected directly from schools by means of a survey carried out among all schools.
Students are classified according to the common thresholds adopted in local schools (Year1, Year2, ... , Form1, Form2, etc.) or according to the International Standard Classification of Education (ISCED 11).
A news release on absenteeism in schools is published by the NSO.