Glenthorne High School
Sutton Common Road, Sutton, SM3 9PSOpen in maps (opens in a new tab)
Glenthorne High School is a secondary school in Sutton for ages 11 to 18. It is one of the 72 schools in Sutton. It ranks 6th of 15 secondary schools in Sutton. Its latest Ofsted outcome is a report card, from an inspection in January 2026.
Ofsted report card
Inspected 6 January 2026, report published 23 March 2026
Each area is graded from urgent improvement to exceptional, and safeguarding is either met or not met.
- Inclusion
- Exceptional
- Curriculum and teaching
- Strong standard
- Achievement
- Strong standard
- Attendance and behaviour
- Strong standard
- Personal development and wellbeing
- Exceptional
- Leadership and governance
- Strong standard
- Post-16 provision
- Strong standard
- Safeguarding
- Met
What Ofsted said
From the inspection on 6 January 2026
Leaders and staff are ambitious for all pupils to achieve high standards in their studies, conduct and personal development at this school. Pupils and staff forge courteous and respectful relationships. Pastoral support is highly personalised, helping pupils overcome challenges, attend regularly and feel secure. This creates a sense of safety and belonging for pupils from all backgrounds, including those who access the school's specially resourced provision. The school’s culture of inclusivity is of the highest quality. Leaders have established a high-quality curriculum and ensure pupils benefit from expert teaching. This supports pupils to develop deep, rich knowledge and skills across the curriculum. Pupils enthuse about what they have learned and discuss it with considerable insight. Typically, pupils achieve well in national tests and examinations over time, making strong progress incrementally through the school's curriculum. In the sixth form, students studying A-level courses do particularly well. The school expertly supports pupils to secure ambitious destinations, which are carefully matched to their aspirations. Pupils and students in the sixth form are well prepared to succeed beyond school. Pupils’ conduct is excellent. Their high levels of respect for others and dedication to their learning help to make the school a harmonious community in which pupils flourish. Older pupils act as tremendous role models, including as ‘House Buddies’ and when running societies for younger pupils. The school takes intelligent steps to prevent bullying and deals with it effectively in the few instances where it happens. Leaders are fully informed of the risks that pupils face. Staff respond to any concerns swiftly and with great care to ensure the safety and wellbeing of pupils. The school’s superb, innovative and unique personal development offer includes thoughtful information about how pupils can keep themselves safe from harm.
What the school should improve
- Leaders and those responsible for governance should sustain the effectiveness of their work in areas that are currently having a transformational impact on pupils, including in inclusion and in work to develop pupils’ personal development and wellbeing. They should continue to further strengthen other high-performing areas of the school's work so that these also have an equally positive impact on pupils’ experiences in school.
Exam results
GCSE results (key stage 4), 2024/25
270 pupils in the year group
A level results (key stage 5), 2024/25
182 students
Average A level grade B, England average B-
Pupil numbers and mix
1,754 pupils on roll, with places for 1,558
Schools near Glenthorne High School
| School | Distance | Ofsted | Results |
|---|---|---|---|
| Greenshaw High School | 0.8 miles | Ofsted judgements: Good to outstanding | Attainment 8: 57.7 |
| Carshalton Boys Sports College | 1 mile | Ofsted: Good | Attainment 8: 45.0 |
| Harris Academy Morden | 1 mile | Ofsted: Outstanding | Attainment 8: 46.6 |
| Sutton Grammar School | 1 mile | Ofsted: Good | Attainment 8: 80.3 |
| Cheam High School | 1 mile | Ofsted judgements: Good to outstanding | Attainment 8: 50.7 |
School details
- School type
- Academy converter
- Sector
- Academy
- Trust
- THE WILLOW LEARNING TRUST
- Age range
- 11 to 18
- Gender
- Mixed
- Sixth form
- Yes
- Headteacher
- Dr Sarah Peacock
- Phone
- 02086446307
- Address
- Sutton Common Road, Sutton, SM3 9PS
- Local authority
- Sutton
- URN
- 136914
School details from Get Information about Schools, 17 September 2026. Ofsted outcomes published to 31 August 2026. Exam results for 2024/25 from the Department for Education. Pupil mix from the school census, 2025/26.