# The Education (School Information) (Wales) Regulations 1997, Paragraph 26


(1) In relation to each year group in which all or the majority of registered pupils are subject to the provisions as to the recording of authorised and unauthorised absence in the Education (Pupil Registration) Regulations 1995, the number of unauthorised absences in each term of the reporting school year expressed as a percentage of the total number of possible attendances in that term.
(2) For the purposes of this paragraph—
(a) an “authorised absence” means an occasion on which a pupil is recorded as absent with authority pursuant to the Education (Pupil Registration) Regulations 1995;
(b) an “unauthorised absence” means an occasion on which a pupil is recorded as absent without authority pursuant to those Regulations;
(c) “the total number of possible attendances” means the number produced by multiplying the number of registered pupils in the year group at the beginning of the term who are subject to the unauthorised absence provisions by the number of school sessions in that term.
(3) Where a percentage required to be calculated by virtue of this paragraph is not a whole number, it shall be rounded to one decimal point.

---
Source: https://www.legislation.gov.uk/uksi/1997/1832/schedule/2/paragraph/26 (the official version)
Page: https://openlegislation.uk/education-school-information-wales-regulations-1997/schedule-2/paragraph-26
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.