Primary school

Windhill21

  • Academy Converter
  • ages 3–11
  • Mixed
  • Hertfordshire
  • CM23 2NE
Ofsted Outstanding · inspected Oct 2018

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Results · 2024/25

Ranked 4,993 of 15,057 primaries in England · top 34%

Top % in England, by year
2015/16: top 22%22%2016/17: top 11%2017/18: top 22%2018/19: top 18%2022/23: top 8%8% · 2022/232023/24: top 30%2024/25: top 34%No exams

Against East of EnglandArrows: East of England rank change since 2018/19

Expected standard, RWM70% · East of England 64%7/10 Above−19.3 pts
Higher standard, RWM22% · East of England 7%10/10 Top 10%+8.8 pts
Reading score107 · East of England 1067/10 Above−30.2 pts
Maths score105 · East of England 1055/10 Middle−46.8 pts
Show KS2 results by year

No exams 2019/20–21Not published 2021/22

Expected standard, RWM
2015/16: 69% · 59 pupils · East of England 54%2016/17: 82% · 50 pupils · East of England 63%2017/18: 78% · 59 pupils · East of England 65%2018/19: 80% · 60 pupils · East of England 67%2022/23: 82% · 60 pupils · East of England 61%2023/24: 70% · 60 pupils · East of England 63%2024/25: 70% · 60 pupils · East of England 64%82%69%No exams
Higher standard, RWM
2015/16: 3% · 59 pupils · East of England 5%2016/17: 16% · 50 pupils · East of England 8%2017/18: 27% · 59 pupils · East of England 9%2018/19: 18% · 60 pupils · East of England 9%2022/23: 20% · 60 pupils · East of England 7%2023/24: 18% · 60 pupils · East of England 7%2024/25: 22% · 60 pupils · East of England 7%27%3%No exams
Reading score
2015/16: 105 · 59 pupils · East of England 1032016/17: 107 · 50 pupils · East of England 1042017/18: 108 · 59 pupils · East of England 1052018/19: 109 · 60 pupils · East of England 1042022/23: 109 · 60 pupils · East of England 1052023/24: 109 · 60 pupils · East of England 1052024/25: 107 · 60 pupils · East of England 106109105No exams
Maths score
2015/16: 105 · 59 pupils · East of England 1032016/17: 106 · 50 pupils · East of England 1042017/18: 107 · 59 pupils · East of England 1042018/19: 109 · 60 pupils · East of England 1052022/23: 107 · 60 pupils · East of England 1042023/24: 108 · 60 pupils · East of England 1042024/25: 105 · 60 pupils · East of England 105109105No exams

Getting in · 2026

First-choice families who got in88.1%
59 of 67 who put it first2014 · 100.0%2026 · 88.1%
By preference
ChoiceAppliedOffered
1st6759
2nd852
3rd730

Last distance offered: London only

Inspections · 2007–2025

  1. 2007Goodas predecessor
  2. 2009Satisfactoryas predecessor
  3. 2013Goodas predecessor
  4. 2018Remains Good
  5. 2018Outstanding
  6. 2025Ungraded visit

5 strong areas

  • Outcomes for pupils
  • Early years provision
  • Effectiveness of leadership and management
  • Personal development, behaviour and welfare
  • Quality of teaching, learning and assessment

0 weak areas

5 areas graded

Pupils · 2024/25

On roll · Jan 2026451
Free school meals (past 6 years)12.1%
First language not English28.7%
SEN support7.2%
EHC plan2.4%
Absence (sessions missed)3.6%
Persistently absent pupils7.3%

Girls 48%Boys 52%

107.4% full · 420 places

Parent View

Earlier survey (before Nov 2025) · as at 1 Sep 2025 · 164 responses (36% of pupils)

  • My child is happy at this school97.6% agree
  • My child feels safe at this school96.9% agree
  • The school makes sure its pupils are well behaved93.9% agree
  • My child has been bullied and the school dealt with the bullying quickly and effectively · 70.7% not applicable72.9% agree
  • The school makes me aware of what my child will learn during the year98.8% agree
  • When I have raised concerns with the school they have been dealt with properly · 28.1% not applicable92.4% agree
  • Does your child have special educational needs and/or disabilities (SEND)?18.3% yes
  • My child has SEND, and the school gives them the support they need to succeed · asked only of the 18.3% who said Yes above70% agree
  • The school has high expectations for my child94.5% agree
  • My child does well at this school96.3% agree
  • The school lets me know how my child is doing97.6% agree
  • There is a good range of subjects available to my child at this school98.8% agree
  • My child can take part in clubs and activities at this school96.3% agree
  • The school supports my child's wider personal development92.1% agree
  • I would recommend this school to another parent96.3% yes

Workforce · 2025/26

Pupils per teacher24.3
Pupils per adult12.6
  • Classroom teachers 13.6
  • Leadership 4.6
  • Teaching assistants 16.9
  • Other support 6.5

Teachers 18.2 FTE · Whole workforce 41.7 · 52 people

Financials · 2024/25

Income per pupil£6,245
Spend per pupil£5,903
Staff spend per pupil£4,520
Reserve per pupil£446
  • +£198,000revenue reserve
  • +£152,000in-year balance

Grants £5,727 · self-generated £518 · premises £331 per pupil

Multi-academy trust: IVY LEARNING TRUST (17 academies) · trust reserve £1,045,000 · Reserves in a multi-academy trust belong to the trust; this academy's figures include the share of central costs the trust gives it