Secondary school

The John Warner School

  • Academy Converter
  • ages 11–18
  • Mixed
  • Hertfordshire
  • EN11 0QF
  • Sixth form
Ofsted Inadequate · inspected Oct 2022

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Results · 2024/25

Ranked 2,478 of 3,280 secondaries in England · top 76%

Top % in England, by year
2015/16: top 50%50%2016/17: top 53%2017/18: top 53%2018/19: top 49%49% · 2018/192021/22: top 62%2022/23: top 73%2023/24: top 75%2024/25: top 76%No exams

A-level results

#245 of 273 East of England sixth forms, state and independent, 2024/25

Independent and selective (grammar) schools choose their pupils, so high results partly reflect who gets in, not only teaching. Some independent schools don't publish results.

Against East of England

Attainment 840.8 · East of England 45.93/10 Below−12 pts since 21/22
Grade 5+ English and maths32.5% · East of England 44.9%2/10 Well below East of England−17.2 pts since 21/22
EBacc point score3.43 · East of England 4.012/10 Well below East of England−25.8 pts since 21/22
Progress 8 · 2023/24-0.54 · East of England −0.022/10 Well below East of England−24.8 pts since 18/19
A level points per entry26.88 · East of England 33.162/10 Well below East of England
Show exam results by year

No exams 2019/20–21

Attainment 8
2015/16: 50.1 · 190 pupils · East of England 50.52016/17: 45.5 · 193 pupils · East of England 46.22017/18: 45.4 · 183 pupils · East of England 46.32018/19: 46.3 · 209 pupils · East of England 46.32021/22: 46.1 · 226 pupils · East of England 48.82022/23: 41.4 · 219 pupils · East of England 46.22023/24: 40.7 · 211 pupils · East of England 45.62024/25: 40.8 · 197 pupils · East of England 45.8550.140.7No exams
Grade 5+ English and maths
2016/17: 45% · 193 pupils · East of England 41%2017/18: 43% · 183 pupils · East of England 41%2018/19: 46% · 209 pupils · East of England 40%2021/22: 43% · 226 pupils · East of England 49%2022/23: 39% · 219 pupils · East of England 43%2023/24: 34.6% · 211 pupils · East of England 43.9%2024/25: 32.5% · 197 pupils · East of England 44.9%46%32.5%No exams
A level points per entry
2015/16: 27.66 · 115 pupils · East of England 29.022016/17: 28.88 · 94 pupils · East of England 29.412017/18: 26.04 · 100 pupils · East of England 30.942018/19: 27.38 · 81 pupils · East of England 31.322021/22: 31.2 · 62 pupils · East of England 36.152022/23: 26.42 · 69 pupils · East of England 32.282024/25: 26.88 · 46 pupils · East of England 33.1631.226.04No exams

Not published 2023/24

Getting in · 2026

First-choice families who got in100.0%
59 of 59 who put it first2014 · 86.5%2026 · 100.0%
By preference
ChoiceAppliedOffered
1st5959
2nd4717
3rd375

Last distance offered: London only

Inspections · 2007–2023

  1. 2007Goodas predecessor
  2. 2011Outstandingas predecessor
  3. 2014Goodas predecessor
  4. 2018Remains Goodas predecessor
  5. 2019Requires improvementas predecessor
  6. 2022Inadequateas predecessor
  7. 2023Ungraded visitas predecessor
  8. 2023Ungraded visitas predecessor

0 strong areas

5 weak areas

  • Personal development
  • Quality of education
  • Behaviour and attitudes
  • Sixth form provision
  • Effectiveness of leadership and management

5 areas graded · safeguarding No · inspected as predecessor

Pupils · 2024/25

On roll · Jan 2026726
Free school meals (past 6 years)19.3%
First language not English9.0%
SEN support12.9%
EHC plan2.9%
Absence (sessions missed)11.6%
Persistently absent pupils35.7%

Girls 46.8%Boys 53.2%

60.9% full · 1,192 places · 91 in sixth form

Parent View

Not published for this school

Workforce · 2025/26

Pupils per teacher14.9
Pupils per adult11.1
  • Classroom teachers 42.8
  • Leadership 5.8
  • Teaching assistants 7.4
  • Other support 19.2

Teachers 48.6 FTE · Whole workforce 75.1 · 82 people

Financials · 2024/25

Income per pupil£9,631
Spend per pupil£8,882
Staff spend per pupil£6,809
Reserve per pupil£1,212
  • +£995,000revenue reserve
  • +£615,000in-year balance

Grants £9,238 · self-generated £393 · premises £526 per pupil

Multi-academy trust: DANES EDUCATIONAL TRUST (12 academies) · trust reserve £7,890,000 · Reserves in a multi-academy trust belong to the trust; this academy's figures include the share of central costs the trust gives it

Destinations · 2023/24 leavers

After Year 11

211 students, followed through 2024/25 · Provisional

  • Sustained93.4%
  • Education88.2%
  • Apprenticeship4.3%
  • Employment0.9%
  • Not sustained2.4%
  • Unknown4.3%