Joshua Mangas

Chessington School

  • Secondary
  • Academy converter
  • Ages 11 to 16

URN 148407 · Kingston upon Thames · EVERY CHILD, EVERY DAY ACADEMY TRUST

In Kingston upon Thames

Inspection

Ofsted management information, as at 30 September 2026.

Latest graded inspection

28 February 2024

Overall effectiveness
Good

Quality of education
Good
Behaviour and attitudes
Good
Personal development
Good
Leadership and management
Good
Safeguarding is effective
Yes

Full inspection (section 5)

Under the earlier framework, inspections gave an overall effectiveness grade.

Earlier graded inspection

6 November 2014

Overall effectiveness
Good

This inspection was of the predecessor school, before it converted or reopened under its current URN.

Under the earlier framework, inspections gave an overall effectiveness grade.

Read the reports on Ofsted’s website. Source: Ofsted, State-funded school inspections and outcomes: management information.

Attendance

Against Kingston upon Thames and England, secondary schools.

Overall absence

2024/25

10.1%

Kingston upon Thames
6.7%
England
8.4%

1.7 percentage points higher than England.

5.08.311.52017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Overall absence
YearThis schoolKingston upon ThamesEngland
2017/18Not published4.8%5.5%
2018/19Not published4.7%5.5%
2020/21Not published4.5%5.5%
2021/2212.0%7.3%9.0%
2022/239.3%7.1%9.0%
2023/249.7%6.8%8.9%
2024/2510.1%6.7%8.4%

Sessions missed for any reason, as a share of all possible sessions in the school year. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Persistent absence

2024/25

27.6%

Kingston upon Thames
18.3%
England
23.4%

4.2 percentage points higher than England.

11.824.437.02017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Persistent absence
YearThis schoolKingston upon ThamesEngland
2017/18Not published9.9%13.9%
2018/19Not published10.0%13.7%
2020/21Not published10.5%14.8%
2021/2238.9%20.9%27.7%
2022/2326.6%19.8%26.5%
2023/2429.7%18.5%25.6%
2024/2527.6%18.3%23.4%

Pupils who missed 10% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Severe absence

2024/25

5.7%

Kingston upon Thames
2.1%
England
3.9%

1.8 percentage points higher than England.

0.93.25.42017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Severe absence
YearThis schoolKingston upon ThamesEngland
2017/18Not published0.5%1.2%
2018/19Not published0.7%1.3%
2020/21Not published1.3%1.5%
2021/225.1%1.7%2.7%
2022/234.8%1.9%3.4%
2023/242.7%2.1%3.8%
2024/255.7%2.1%3.9%

Pupils who missed 50% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Suspensions and permanent exclusions

Against Kingston upon Thames and England, secondary schools.

Suspensions per 100 pupils

2024/25

6.36

Kingston upon Thames
4.94
England
21.24

14.88 lower than England.

3.412.321.32017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Suspensions per 100 pupils
YearThis schoolKingston upon ThamesEngland
2017/18Not published3.9710.13
2018/19Not published4.3910.75
2019/20Not published2.457.43
2020/215.102.478.48
2021/224.082.8213.96
2022/232.032.8918.90
2023/242.513.4222.61
2024/256.364.9421.24

Suspensions in the school year for every 100 pupils on roll. One pupil can be suspended more than once. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Permanent exclusions per 100 pupils

2024/25

0.59

Kingston upon Thames
0.07
England
0.23

0.36 higher than England.

0.10.30.62017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Permanent exclusions per 100 pupils
YearThis schoolKingston upon ThamesEngland
2017/18Not published0.060.20
2018/19Not published0.060.20
2019/20Not published0.050.13
2020/210.410.100.10
2021/220.530.070.16
2022/230.160.080.22
2023/240.150.060.25
2024/250.590.070.23

Permanent exclusions in the school year for every 100 pupils on roll. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Key stage 4 results

Against Kingston upon Thames and England, secondary schools.

Attainment 8

2025/26 (provisional)

42.3

Kingston upon Thames
60.8
England
47.4

5.1 lower than England.

43.651.960.22021/222022/232023/242024/252025/26
This schoolKingston upon ThamesEngland
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Attainment 8
YearThis schoolKingston upon ThamesEngland
2021/22Not published61.549.8
2022/23Not published60.147.2
2023/2443.260.646.9
2024/2543.460.647.1
2025/26 (provisional)42.360.847.4

The average of pupils' points across eight GCSE-level qualifications, with English and maths counted twice. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

English and maths: grade 4 or above

2025/26 (provisional)

67%

Kingston upon Thames
84%
England
66%

1 percentage point higher than England.

6675842021/222022/232023/242024/252025/26
This schoolKingston upon ThamesEngland
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English and maths: grade 4 or above
YearThis schoolKingston upon ThamesEngland
2021/22Not published84%70%
2022/23Not published83%67%
2023/2465%85%67%
2024/2565%85%66%
2025/26 (provisional)67%84%66%

Pupils at the end of key stage 4 with grade 4 or above in both English and maths. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

English and maths: grade 5 or above

2025/26 (provisional)

37%

Kingston upon Thames
70%
England
48%

11 percentage points lower than England.

3955702021/222022/232023/242024/252025/26
This schoolKingston upon ThamesEngland
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English and maths: grade 5 or above
YearThis schoolKingston upon ThamesEngland
2021/22Not published71%51%
2022/23Not published68%46%
2023/2446%72%47%
2024/2537%71%47%
2025/26 (provisional)37%70%48%

Pupils at the end of key stage 4 with grade 5 or above in both English and maths. Source: Department for Education, Explore Education Statistics, Key stage 4 performance, 2025/26.

Pupils

Against Kingston upon Thames and England, secondary schools.

Eligible for free school meals

2024/25

29.6%

Kingston upon Thames
14.2%
England
25.8%

3.8 percentage points higher than England.

12.720.628.42021/222022/232023/242024/25
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Eligible for free school meals
YearThis schoolKingston upon ThamesEngland
2021/2227.7%11.5%20.9%
2022/2327.9%12.5%22.7%
2023/2427.2%13.3%24.1%
2024/2529.6%14.2%25.8%

Pupils known to be eligible for free school meals on census day in January. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

SEN support

2024/25

14.8%

Kingston upon Thames
9.6%
England
13.4%

1.4 percentage points higher than England.

7.712.517.22021/222022/232023/242024/25
This schoolKingston upon ThamesEngland
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SEN support
YearThis schoolKingston upon ThamesEngland
2021/2217.9%7.0%11.9%
2022/2316.5%8.3%12.4%
2023/2415.1%10.0%12.9%
2024/2514.8%9.6%13.4%

Pupils receiving special educational needs support without an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Education, health and care plan

2024/25

3.4%

Kingston upon Thames
3.0%
England
3.1%

0.3 percentage points higher than England.

2.43.54.62021/222022/232023/242024/25
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Education, health and care plan
YearThis schoolKingston upon ThamesEngland
2021/224.4%2.6%2.2%
2022/234.8%2.8%2.4%
2023/244.1%2.9%2.7%
2024/253.4%3.0%3.1%

Pupils with an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

First language other than English

2024/25

17.3%

Kingston upon Thames
31.5%
England
19.2%

1.9 percentage points lower than England.

17.123.830.52021/222022/232023/242024/25
This schoolKingston upon ThamesEngland
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First language other than English
YearThis schoolKingston upon ThamesEngland
2021/2216.3%30.2%17.5%
2022/2316.4%31.0%18.1%
2023/2416.1%30.8%18.6%
2024/2517.3%31.5%19.2%

Pupils whose first language is known or believed to be other than English. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Teachers

Against Kingston upon Thames and England, secondary schools.

Pupils per qualified teacher

2025/26

17.5

Kingston upon Thames
17.6
England
17.3

0.2 higher than England.

16.718.219.72017/182025/26
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Pupils per qualified teacher
YearThis schoolKingston upon ThamesEngland
2017/18Not published16.516.5
2018/19Not published17.216.8
2019/20Not published17.517.2
2020/21Not published17.617.1
2021/2219.717.817.1
2022/2319.917.717.2
2023/2418.317.517.4
2024/2517.917.717.3
2025/2617.517.617.3

Full-time equivalent pupils for each full-time equivalent qualified teacher. Source: Department for Education, Explore Education Statistics, School workforce in England, 2025/26.

Teacher sickness absence

2024/25

3.7 days

Kingston upon Thames
4.4 days
England
5.0 days

1.3 days lower than England.

Compared with all state-funded schools: DfE publishes this measure for all schools, not by phase.

0.63.66.62017/182024/25
This schoolKingston upon ThamesEnglandShaded: COVID years, no comparable data
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Teacher sickness absence
YearThis schoolKingston upon ThamesEngland
2017/18Not published3.0 days4.0 days
2018/19Not published3.3 days4.0 days
2019/20Not publishedNot publishedNot published
2020/21Not published3.3 days3.9 days
2021/220.1 days5.2 days6.3 days
2022/237.1 days3.9 days5.2 days
2023/246.6 days4.4 days5.3 days
2024/253.7 days4.4 days5.0 days

Days lost to sickness absence in the school year, averaged across all teachers. Source: Department for Education, Explore Education Statistics, School workforce in England, 2024/25.

Finance

Academies report their accounts as part of their trust, so DfE publishes no school-level balance for this school. The trust’s figures are in DfE’s Financial Benchmarking and Insights Tool.

See this school in the Financial Benchmarking and Insights Tool

About the school

Pupils on roll
653
Capacity
750
Type
Academy converter
Phase
Secondary
Age range
11 to 16
Sixth form
Does not have a sixth form
Admissions
Non-selective
Gender
Mixed
Trust
EVERY CHILD, EVERY DAY ACADEMY TRUST
Opened
1 April 2021
Setting
Urban: Nearer to a major town or city
Constituency
Kingston and Surbiton
Deprivation of the area (IDACI)
Decile 5 of 10 (1 is the most deprived tenth of neighbourhoods)

Address: Garrison Lane, Chessington, Surrey, KT9 2JS

Website: chessington.kingston.sch.uk/

Telephone: 02089741156

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Sources and corrections

Every figure on this page names its source and period. This release was built on 20 October 2026.

Spotted something wrong? Report a correction with the school’s URN (148407). Fixes go out in the next weekly release.