Ashlyns School
Foundation school · sixth form · 1,561 pupils
94% stayed in education · Attainment 8 57.9
Academy converter
Ralph Sadleir School
- Pupils on roll
- 283of 360 places
- Free school meals
- 17.0%
- Year 11 cohort 2025
- —
- Ofsted
- Requires improvement, 23 April 2024Read the Ofsted report
Results below include those reported under the school’s previous registration: Ralph Sadleir Middle School (URN 117543, until 1 October 2013).
What the data says
Ralph Sadleir School is a middle school for ages 9–13: pupils move on before GCSEs, so the Department for Education publishes no results or destinations for it.
Where pupils went after Year 11
Destinations of the 2023 Year 11 leavers, measured the following year: the share in a sustained place for at least two terms. Compared with all state-funded schools in Hertfordshire and England.
The Department for Education has not published destination figures for this school (new school, small cohort or not a state-funded school).
GCSE results 2025
No published Key Stage 4 results for this school.
Other secondary schools in Hertfordshire
Barclay Academy
Academy sponsor led · sixth form · 1,044 pupils
91% stayed in education · Attainment 8 49.5
Barnwell School
Foundation school · sixth form · 1,270 pupils
88% stayed in education · Attainment 8 41.5
Beaumont School
Academy converter · sixth form · 1,722 pupils
98% stayed in education · Attainment 8 62.6
Birchwood High School
Academy converter · sixth form · 1,417 pupils
85% stayed in education · Attainment 8 46.1
Bishop's Hatfield Girls' School
Academy converter · sixth form · 942 pupils
97% stayed in education · Attainment 8 51.9
Sources: Department for Education school and college performance tables 2024/2025 (Key Stage 4 and 16–18 results, subject entries, destination measures for 2023 leavers); Get Information About Schools register as at 19 September 2026; Ofsted management information as at 31 August 2026. Small numbers are suppressed by DfE and shown as “—”. How to read these figures.