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OpenSecondaryOfsted: Strong standardURN 136914

Glenthorne High School

Academy converter · Sutton · SM3 9PS

Ages 11–18 · 1,754 pupils · Sutton

School website

Ofsted

Strong standard

Attainment 8

60.8

Overall absence

5.7%

Admissions demand

2.00 · Highly competitive

Ofsted

Latest published inspection outcomes — not a ranking.

Read full report

Headline

Strong standard

Inspection date

2026-01-06

  • AchievementStrong standard
  • Curriculum and teachingStrong standard
  • InclusionExceptional
  • Attendance and behaviourStrong standard
  • Personal development and wellbeingExceptional
  • Leadership and governanceStrong standard

Safeguarding standards: Met

Source: Ofsted monthly management information

Performance

Official school-level results. Figures are not rankings — suppressed values are omitted.

Key stage 4 (2023/24)

Progress 8+0.75
−20+2
Attainment 860.8
English & maths grade 5+76%
English & maths grade 4+90%
EBacc entry66%

EBacc APS: 5.7

Source: DfE school and college performance tables

Absence

Academic year 2023/24. Persistent absence means 10%+ of sessions missed. Lower figures are better.

Overall absence5.7%
Persistent absence (10%+)13.9%
Unauthorised1.9%
Authorised absence
3.8%
Severe absence (50%+)
1.6%
Enrolments in measure
1,414

Absence trend

2021/22

2022/23

2023/24

  • Overall
  • Persistent (10%+)

Source: DfE pupil absence in schools in England

Admissions demand

Coordinated admissions for secondary entry (2024/25 cycle, national offer day). Demand ratio compares families who listed this school 1st with total offers made — not a catchment or distance guarantee.

Demand ratio

2.00 · Highly competitive

1st preferences

467

Places offered

238

1st-preference offers

198

Total preferences (any rank)
1,804
Preferred offers (top 3)
238
Applications from outside LA
461
Offers to outside-LA applicants
47
Admissions policy (GIAS)
Non-selective

Source: DfE primary and secondary school applications and offers. Figures reflect offers on national offer day; late applications, appeals and waiting lists are not included.

Size & intake

From the GIAS school census (15 Jan 2026).

Capacity fill113%

1,754 pupils · 1,558 places

Pupils on roll
1,754
Boys / girls
854 / 900
School capacity
1,558
Capacity fill
1,754 / 1,558 (113%)
Free school meals
14%
FSM pupils
195
Admissions policy
Non-selective
Gender
Mixed
School type
Academy converter

Age range

Ages 11–18

05111619

Provision

Official GIAS characteristics

2 / 6

  • Nursery
  • Sixth formHas a sixth form
  • Boarding
  • Special school
  • Independent
  • Academy

School characteristics

Special classes
No Special Classes
Governance
Academy trust: THE WILLOW LEARNING TRUST
Academy trust
THE WILLOW LEARNING TRUST
Headteacher
Dr Sarah Peacock

Location

Address
Sutton Common Road
Postcode
SM3 9PS
Town
Sutton
County
Surrey
Local authority
Sutton
District
Sutton
Constituency
Sutton and Cheam
Urban/rural
Urban: Nearer to a major town or city

SEN & specialist provision

As recorded in GIAS — provision detail, not an Ofsted judgement.

SEN types
ASD - Autistic Spectrum Disorder
Special classes
No Special Classes
Resourced provision
Resourced provision
Resourced places
22 on roll / 20 capacity

Local context

How this school sits among open establishments in its area, using official GIAS records. These are counts, not rankings.

Mixed academy converter (secondary), Ages 11–18, in Sutton, Sutton, 1,754 pupils on roll. Notable characteristics: sixth form, academy, non-selective admissions. Free school meals: 14%. SEN provision includes: ASD - Autistic Spectrum Disorder.

Open schools in Sutton
27
Secondary schools in Sutton
7
Academies among open schools in Sutton
56% (15)
Open schools in SM3
9
Secondary in SM3
3
Open schools in Sutton LA
74
Secondary in Sutton LA
15

Nearby secondary schools

Open schools within about 3 miles, prioritising the same phase where possible. Distances are approximate from GIAS coordinates.

Compare with theseAll in SuttonNear SM3

  • Greenshaw High School

    Ofsted: Not judged

    Academy converter · Secondary

    Sutton · SM1 3DY · Sutton

    Ages 11–18

    • Att855.0
    • P80.4
    • EM5+66%
    • Absence7.9%

    0.8 miles away

  • Carshalton Boys Sports College

    Ofsted: Good

    Academy converter · Secondary

    Carshalton · SM5 1RW · Sutton

    Ages 11–19

    • Att845.0
    • P8-0.1
    • EM5+39%
    • Absence9.5%

    1.2 miles away

  • Harris Academy Morden

    Ofsted: School remains Outstanding

    Academy sponsor led · Secondary

    Morden · SM4 6DU · Merton

    Ages 11–18

    • Att849.9
    • P80.5
    • EM5+46%
    • Absence8.6%

    1.2 miles away

  • Sutton Grammar School

    Ofsted: Good

    Academy converter · Secondary

    Sutton · SM1 4AS · Sutton

    Ages 11–18

    • Att882.6
    • P81.2
    • EM5+100%
    • Absence4.7%

    1.2 miles away

  • Cheam High School

    Ofsted: Not judged

    Academy converter · Secondary

    Sutton · SM3 8PW · Sutton

    Ages 11–18

    • Att851.9
    • P80.1
    • EM5+58%
    • Absence7.9%

    1.2 miles away

  • Carshalton High School for Girls

    Ofsted: School remains Good

    Academy converter · Secondary

    Carshalton · SM5 2QX · Sutton

    Ages 11–18

    • Att851.9
    • P80.4
    • EM5+58%
    • Absence7.1%

    1.6 miles away

  • Rutlish School

    Ofsted: Not judged

    Voluntary controlled school · Secondary

    London · SW20 9AD · Merton

    Ages 11–19

    • Att855.2
    • P80.7
    • EM5+62%
    • Absence6.1%

    1.9 miles away

New to reading school data? See Ofsted ratings explained and how to compare schools.

Contact

Headteacher
Dr Sarah Peacock
Telephone
02086446307
Website
http://www.glenthorne.sutton.sch.uk/

Official links