Classpot

Glenthorne High School

Sutton, SM3 9PSSecondaryAges 11–18MixedState
Ofsted Inspection
Ofsted inspected
No single grade since Sep 2024
Jan 2026
Progress 8
No data
First choices / offers
1.9×
More first choices than offers made
481 1st-choice / 255 offers made
Ranking
🏆Top 10%
#228 of 3,141 nationally

About Glenthorne High School

Glenthorne High School is a state-funded secondary school in Sutton, London, for pupils aged 11 to 18 for boys and girls. DfE data records 1,754 pupils on roll and a published capacity of 1,558.

The latest recorded Ofsted inspection was on 6 Jan 2026 has no single overall grade. the published Attainment 8 score was 61.6 for 2024/25. the published A-level average grade was B for 2023/24. admissions data records 481 first-preference applications and 255 offers made on national offer day for 2026/27.

Figures can refer to different reporting periods. Check the date and source shown beside each section. How Classpot uses published data.

Key Details

School TypeSecondary (State)
Age Range11 to 18 years
GenderMixed
AddressSutton Common Road, Sutton, Sutton, SM3 9PS
HeadteacherDr Sarah Peacock
Local AuthoritySutton
Number of Pupils1,754
Free School Meals (FSM)13.2%
School Capacity1,754 / 1,558 (113% full)
Sixth FormYes

The full report on this school

What 210 parents told Ofsted, the inspection in plain English, and how this school compares to nearby alternatives — all in one full school report.

  • Ofsted inspection in plain English
    Strengths, concerns and what inspectors flagged
  • Parent View survey results
    What parents told Ofsted — when the school has 10+ responses
  • Where Ofsted and parents disagree
    Gaps to probe + questions to ask at the open day
  • Admissions & catchment
    Admission criteria, distance cutoffs (where the LA publishes them)
  • Nearby schools compared
    Backup options with Ofsted, demand and distance
  • Attendance & behaviour data
    Persistent absentees, suspensions and exclusions vs national
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Ofsted Report Card

6 Jan 2026
View report

No single overall grade

Ofsted report cards assess separate areas on a five-level scale. These results should not be converted into an overall score.

Safeguarding standardsMet
InclusionExceptional
Curriculum & teachingStrong standard
AchievementStrong standard
Attendance & behaviourStrong standard
Personal development & wellbeingExceptional
Leadership & governanceStrong standard
Post-16 provisionStrong standard

Source: Ofsted official management information, 23 Mar 2026. Report-card levels are not directly comparable with legacy Ofsted grades.

Published SEND Data

Resourced Provision
AutismDyslexiaMental HealthSpeech & LanguageHearingVisionPhysicalLearning DifficultyResourced Provision

Source: Department for Education. Confirm current provision with the school's SENCO.

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Frequently Asked Questions About Glenthorne High School

Yes, Glenthorne High School has been inspected by Ofsted. State-funded school inspections stopped receiving a single overall effectiveness grade from September 2024. From November 2025, renewed inspections use report cards with separate five-point grades for each evaluation area.