Data on authorised and unauthorised absenteeism by pupils of compulsory school age for September 2018 to August 2019.
This is not the latest release in the series: Absenteeism from secondary schools
Series information:
Main points
- In 2018/19, 6.2% of half-day school sessions were missed due to overall absence. 1.7% of these sessions were missed due to unauthorised absence.
- In general, overall absence has been falling since 2007/08. In 2018/19, overall absenteeism remained the same as the previous year.
- Unauthorised absenteeism increased by 0.1 percentage points over 2017/18, but has decreased by 0.1 percentage points from 2008/09.
- The percentage of persistent absentees in mainstream secondary schools increased by 0.5 percentage points in 2018/19. This percentage is now at its highest level since 2013/14.
- Illness was the most common reason for absence in 2018/19.
Reports

Absenteeism from secondary schools, September 2018 to August 2019 , file type: PDF, file size: 602 KB
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Absenteeism from secondary schools, September 2018 to August 2019: notes , file type: PDF, file size: 321 KB
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Datasets and interactive tools
Contact
Stephen Hughes
Telephone: 0300 025 5060
Email: school.stats@gov.wales
Rydym yn croesawu galwadau a gohebiaeth yn Gymraeg / We welcome calls and correspondence in Welsh.
Media
Telephone: 0300 025 5050
Rydym yn croesawu galwadau yn Gymraeg / We welcome calls in Welsh.