Secondary school

The Mandeville School

  • Academy Converter
  • ages 11–18
  • Mixed
  • Buckinghamshire
  • HP21 8ES
  • Sixth form
Ofsted report card · inspected Mar 2026

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Results · 2024/25

Ranked 2,729 of 3,280 secondaries in England · top 84%

Top % in England, by year
2015/16: top 94%94%2016/17: top 91%2017/18: top 94%2018/19: top 98%2021/22: top 94%2022/23: top 95%2023/24: top 90%2024/25: top 84%No exams

Against South EastArrows: South East rank change since 2021/22

Attainment 838.9 · South East 462/10 Well below South East+12.2 pts
Grade 5+ English and maths29.4% · South East 44.8%2/10 Well below South East
EBacc point score3.24 · South East 4.032/10 Well below South East+8.8 pts
Progress 8 · 2023/24-0.78 · South East +0.011/10 Well below South East
A level points per entryNot enough data · South East 33.5Suppressed in 2024/25 (too few pupils to publish)
Show exam results by year

No exams 2019/20–21

Attainment 8
2015/16: 41 · 157 pupils · South East 50.92016/17: 37.4 · 121 pupils · South East 46.72017/18: 35.4 · 124 pupils · South East 46.72018/19: 33.4 · 120 pupils · South East 47.12021/22: 37.6 · 156 pupils · South East 49.12022/23: 34.3 · 198 pupils · South East 46.52023/24: 36.4 · 195 pupils · South East 46.22024/25: 38.9 · 170 pupils · South East 464133.4No exams
Grade 5+ English and maths
2016/17: 18% · 121 pupils · South East 43%2017/18: 23% · 124 pupils · South East 43.5%2018/19: 19% · 120 pupils · South East 43%2021/22: 37% · 156 pupils · South East 51%2022/23: 25% · 198 pupils · South East 45%2023/24: 31.3% · 195 pupils · South East 45.9%2024/25: 29.4% · 170 pupils · South East 44.8%37%18%No exams
A level points per entry
2015/16: 7.83 · 26 pupils · South East 28.942016/17: 10.88 · 42 pupils · South East 29.962017/18: 14.34 · 27 pupils · South East 30.252018/19: 12.84 · 29 pupils · South East 31.762021/22: 25.33 · 32 pupils · South East 36.42022/23: 19.25 · 24 pupils · South East 32.822023/24: withheld2024/25: withheld25.337.83No exams

Withheld 2023/24, 2024/25

Getting in · 2026

First-choice families who got in100.0%
92 of 92 who put it first2014 · 100.0%2026 · 100.0%
By preference
ChoiceAppliedOffered
1st9292
2nd4417
3rd339

Last distance offered: London only

Inspections · 2016–2026

    1. 2016Ungraded visitas predecessor
    2. 2018Requires improvementas predecessor
    3. 2019Ungraded visitas predecessor
    4. 2021Ungraded visitas predecessor
    5. 2021Ungraded visitas predecessor
    6. 2024Lowest Inadequate
    7. 2025Ungraded visit
    8. 2026Report card

    Pupils · 2024/25

    On roll · Jan 2026966
    Free school meals (past 6 years)27.7%
    First language not English33.5%
    SEN support18.4%
    EHC plan3.3%
    Absence (sessions missed)12.0%
    Persistently absent pupils33.8%

    Girls 50.4%Boys 49.6%

    96.5% full · 1,001 places · 37 in sixth form

    Parent View

    Earlier survey (before Nov 2025) · as at 1 Sep 2025 · 68 responses (6.8% of pupils)

    • My child is happy at this school66.2% agree
    • My child feels safe at this school72.1% agree
    • The school makes sure its pupils are well behaved58.8% agree
    • My child has been bullied and the school dealt with the bullying quickly and effectively · 36.8% not applicable44.2% agree
    • The school makes me aware of what my child will learn during the year47.1% agree
    • When I have raised concerns with the school they have been dealt with properly · 8.8% not applicable51.6% agree
    • Does your child have special educational needs and/or disabilities (SEND)?35.3% yes
    • My child has SEND, and the school gives them the support they need to succeed · asked only of the 35.3% who said Yes above25% agree
    • The school has high expectations for my child72.1% agree
    • My child does well at this school69.1% agree
    • The school lets me know how my child is doing58.8% agree
    • There is a good range of subjects available to my child at this school88.2% agree
    • My child can take part in clubs and activities at this school83.8% agree
    • The school supports my child's wider personal development52.9% agree
    • I would recommend this school to another parent61.8% yes

    Workforce · 2025/26

    Pupils per teacher16.0
    Pupils per adult10.6
    • Classroom teachers 48.3
    • Leadership 12
    • Teaching assistants 27.4
    • Other support 7.6

    Teachers 60.3 FTE · Whole workforce 95.3 · 104 people

    Financials · 2024/25

    Income per pupil£7,829
    Spend per pupil£7,231
    Staff spend per pupil£5,530
    Reserve per pupil£0
    • £0revenue reserve
    • +£596,000in-year balance

    Grants £7,828 · self-generated £1 · premises £220 per pupil

    Multi-academy trust: INSIGNIS ACADEMY TRUST (6 academies) · trust reserve £1,434,000 · 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

    195 students, followed through 2024/25 · Provisional

    • Sustained82.6%
    • Education77.4%
    • Apprenticeship1.5%
    • Employment3.6%
    • Not sustained7.2%
    • Unknown10.3%

    After sixth form (16–18)

    7 students, followed through 2024/25 · Provisional

    • Sustained85.7%
    • Education0%
    • Higher education0%
    • Apprenticeship14.3%
    • Employment71.4%
    • Not sustained0%
    • Unknown14.3%