Data on authorised and unauthorised absenteeism by pupils of compulsory school age for September 2017 to August 2018.
This is not the latest release in the series: Absenteeism from secondary schools
Series information:
Main points
- In 2017/18, 6.2% of half-day school sessions were missed due to overall absence and 1.6% of half-day school sessions were missed due to unauthorised absence from maintained secondary, special and independent schools.
- In general, overall absence has been falling since 2007/08. In 2017/18, overall absenteeism increased by 0.3 percentage points since the previous year. Unauthorised absenteeism increased by 0.2 percentage points over 2017/18, but if you compare it with 2007/08, over nine years it has decreased by 0.2 percentage points.
- The percentage of persistent absentees in mainstream secondary schools increased by 0.1 percentage points in 2016/17. However, it is now less than half of what it was eight years ago, showing a drop of 5.2 percentage points from 9.3% in 2008/09 to 4.1% in 2017/18.
- Illness was the most common reason for absence in 2017/18.
Reports

Absenteeism from secondary schools, September 2017 to August 2018 , file type: PDF, file size: 547 KB
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Absenteeism from secondary schools, September 2017 to August 2018: Notes , file type: PDF, file size: 318 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 8099
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