Glenthorne High School
Glenthorne High School is a state-funded UK Academy in Sutton, Surrey, delivering secondary and sixth-form education to approximately 1,750 pupils aged 11-19, with an arts specialism, banding-based admissions, and the ArtsOne Saturday Schools enrichment programme.
- Company typePrivate
- Founded1933
- HeadquartersSutton, United Kingdom
- Headcount51–100
- GTM typeB2C
- OfferingServices
What Glenthorne High School does
Glenthorne High School is a state-funded mixed secondary Academy located at 270 Sutton Common Road, Sutton, Surrey (SM3 9PS), serving approximately 1,750 pupils aged 11-19 across Years 7-13, including 355 students in the Sixth Form. Founded in 1933 as Sutton Common County Secondary Girls' School, the institution converted to Academy status in 2011 and now sits within the Willow Learning Trust alongside Abbey Primary and Aragon Primary. The school holds an arts specialism, allocating 24 of 247 Year 7 places via Performing Arts aptitude assessments, and operates a banding-based admissions system to ensure intake across all ability levels. Core educational delivery is supported by standard school information systems including Juniper Education CMS, Edulink parent/student portal, ParentPay, and Microsoft Forms for banding test registration; no proprietary technology or AI capabilities are evident.
The school runs a layered product portfolio beyond core curriculum: ArtsOne Saturday Schools (Dance, Drama, Rocks!) targets Year 3 through sixth-form students at £12-15 per week, generating a parallel subscription revenue stream via the Sutton Music Hub partnership; an ASD Base accommodates 26 pupils with Autistic Spectrum Condition; and the Sixth Form offers A-Levels, Applied courses, EPQ, and a Dance Academy. The newly opened Queen Elizabeth II Wing (2023) provides sustainable Sixth Form facilities featuring Hemp Block construction, air-source heat pumps, and a sedum roof.
The revenue model is dominated by UK government per-pupil funding flowing through the ESFA, supplemented by voluntary School Fund contributions of £60 per student per year, Saturday School fees, lettings, and catering. Admissions are administered via Sutton Local Authority's Pan-London Co-ordinated Admissions Scheme rather than commercial channels, and the customer base consists of individual families rather than enterprise buyers. Academic outcomes are strong relative to UK averages: 87% of pupils achieved grade 4+ in both English and Maths at GCSE 2025, with 48% of grades at 7-9 and over 30% A*-A at A-Level, supporting 61 placements at Russell Group universities including Cambridge in 2025.
Glenthorne High School firmographics
Firmographics- Name
- Glenthorne High School
- Legal name
- Glenthorne High School
- Website
- https://glenthorne.sutton.sch.uk
- Company type
- Private
- Founded year
- 1933
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- Glenthorne High School is a state-funded UK Academy in Sutton, Surrey, delivering secondary and sixth-form education to approximately 1,750 pupils aged 11-19, with an arts specialism, banding-based admissions, and the ArtsOne Saturday Schools enrichment programme.
- Ownership category
- akta.pro rank
Glenthorne High School industry classification
Industry- Product category
- Secondary Education (Academy School)
- NAICS
- Elementary and Secondary Schools (6111)
- SIC
- Services-Educational Services (8200)
- akta.pro primary industry
- Public High Schools (EDAJAAAD)
Keywords
Where Glenthorne High School is headquartered
LocationHeadquarters
- HQ city
- Sutton
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Glenthorne High School business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Operations, Infrastructure, Others
Revenue model
- School Fund Contributions: Annual voluntary contribution of £60 per student per year used for minibus maintenance, educational visits, sports fixtures, and supplementary resources. Exemptions apply for Pupil Premium students (eligible for Free School Meals in last 6 years, Looked After children, or children with parent serving in Armed Forces). Alternative payment plan of £5 per month via direct debit available.
- ArtsOne Saturday School Fees: Weekly arts enrichment programmes for young people aged Year 3 through sixth form. Dance and Drama sessions priced at £12 per week; Rocks! music programme at £15 per week. Payments collected half-termly in advance.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Standard School Fund Contribution |
| Unit Pricing | Multi-year contract | ArtsOne Dance and Drama |
| Unit Pricing | Multi-year contract | ArtsOne Rocks! Music Programme |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels5 records
Glenthorne High School product offering
Product offeringCore offering
Glenthorne High School is a co-educational Academy secondary school providing full-time education to over 1,750 pupils aged 11-19 across Years 7-13, including a Sixth Form of 355 students. The school delivers a broad curriculum across 20+ academic departments, complemented by a designated Arts specialism with 24 dedicated Performing Arts aptitude places and three Saturday Schools programmes (AD1 Dance, ArtsOne Drama, and ArtsOne Rocks! Music). It also runs an ASD Base for 26 pupils with Autistic Spectrum Condition and serves as lead school for the Sutton Teaching Alliance and Sutton SCITT teacher training programmes.
Product overview
Glenthorne High School operates as a mixed 11-19 comprehensive academy with approximately 1,750 pupils, offering core educational programmes alongside specialized arts and specialist provisions. The school's product portfolio includes ArtsOne Saturday Schools (comprising AD1 Youth Dance Company, ArtsOne Drama Company, and ArtsOne Rocks!), a 6th Form Academic Programme with A-levels and vocational options, selective Year 7 admissions through a banding system with Performing Arts aptitude testing, and an ASD Base for students with Autistic Spectrum Condition. The school also partners with Sutton SCITT for initial teacher training.
Differentiator
Problem solved
Functional benefit
Brands
- ArtsOne: Saturday school programmes offering dance, drama, and music education for young people aged from Year 3 through to sixth form.
- ArtsOne Dance (AD1)
- ArtsOne Drama Company
- ArtsOne Rocks!
Products and services
- ArtsOne Saturday Schools Saturday arts enrichment programmes for young people from Year 3 through sixth form, offering instruction and performance opportunities in Dance, Drama, and Music. Includes three sub-programmes: AD1 Dance Company, ArtsOne Drama Company, and ArtsOne Rocks! music programme. Open to the wider community, not just Glenthorne students.
- AD1 Youth Dance Company Youth dance training company within ArtsOne Saturday Schools offering structured training for Jump into AD1 (Years 3-6), AD1 Juniors (Years 7-8), and AD1 Seniors (Years 9-11), with progression opportunities to the Sixth Form Dance Academy. Sessions priced at £12 per week, payable half-termly in advance.
- ArtsOne Rocks! Music Programme Contemporary music programme delivered in partnership with Sutton Music Hub, offering instruction in vocals, guitar, keyboard, bass guitar, and drums with band performance opportunities. Priced at £15 per week, payable half-termly in advance.
- ArtsOne Drama Company Drama programme within ArtsOne Saturday Schools with tiered sessions for Junior (Key Stage 1-2), Intermediate (Years 7-9), and Advanced performers, culminating in termly showcases and performances.
- Sixth Form Academic Programme Post-16 academic and vocational programme for 355 students offering 3-4 A-Levels, Applied courses, EPQ, Core Maths, and the Dance Academy specialist pathway. Admissions via applicaa.com with internal applicants deadline 17 November, external applicants 1 December, interviews in January, offers from March. Recent outcomes include 100% A-Level pass rate, over 30% A*-A grades, and 61 students placed at Russell Group universities including Cambridge in 2025.
- ASD Base Provision Specialist integrated provision for 26 pupils with Autistic Spectrum Condition, supporting students within the mainstream school environment with dedicated resourced provision.
- Sutton SCITT Initial Teacher Training School-Centred Initial Teacher Training programme for which Glenthorne is the lead school, providing outstanding Primary and Secondary initial teacher training as an Ofsted-rated provider.
Quantifiable outcome
- 87% of pupils achieved grade 4 or above in both English and Maths (2025 GCSE)
- +4 more outcomes
Companies that use Glenthorne High School
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
Glenthorne High School technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration8 records
Glenthorne High School partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- Sutton Music HubcoreArtsOne Rocks! programme is delivered in partnership with Sutton Music Hub, providing young musicians with opportunities to develop instrumental technique and performance skills in rock and pop music.
- Willow Learning TrustcoreGlenthorne is part of Willow Learning Trust, joining with Abbey Primary and Aragon Primary schools. Trust provides governance, finance, HR, and policy frameworks. Academy converted in 2011.
- Sutton Teaching AlliancecoreGlenthorne is the lead school for the Sutton Teaching Alliance, supporting teacher professional development and school improvement across the local area.
- Sutton SCITTcoreGlenthorne is the lead school for Sutton SCITT (School-Centred Initial Teacher Training), an outstanding provider of Primary and Secondary Initial Teacher Training.
- Future FirstminorAlumni Association is run through Future First, a national charity helping schools reconnect with former students for networking and mentorship opportunities.
Scale indicators9 records
Recent moves13 records
Expansion highlights5 records
Glenthorne High School competitors and assessment
Company assessmentDirect peers
- Cheam High School: Local Sutton secondary school serving the same borough catchment; comparable non-selective comprehensive competing for Sutton Local Authority applicants.
- Sutton Grammar School: Selective boys' grammar school within the London Borough of Sutton; directly competes for the same high-attaining Sutton cohort and is part of the local selective schooling landscape.
- Nonsuch High School for Girls: Selective girls' grammar school in the Sutton/Epsom area; comparable academic selective secondary competing for the same Sutton borough applicants.
- Wilson's School: Sutton-based selective boys' grammar school; highly comparable academic-secondary competitor serving the same borough's high-attaining applicants.
- Carshalton High School for Girls: Neighbouring Sutton secondary school serving the same borough admissions pool; directly comparable academic secondary with overlapping catchment and parental choice set.
- Wallington High School for Girls: Sutton borough secondary school competing for the same Sutton Local Authority applicants; comparable academic profile and selective admissions pathway.
- Greenshaw High School: Local Sutton-area secondary academy; directly comparable coeducational 11-18 secondary school competing for the same Sutton Local Authority catchment.
Regional players
- Tiffin School: Selective boys' grammar school in Kingston upon Thames; broadly comparable high-attainment state secondary in the wider South London / Surrey market, though geographically outside Sutton.
Broad incumbents
- The BRIT School: Arts-specialist 14-19 free school in Croydon; broader arts-focused institution with national reputation, offering an alternative performing-arts pathway relevant to Glenthorne's ArtsOne specialism.
Others
- Willow Learning Trust (Abbey Primary / Aragon Primary): Multi-academy trust that includes Glenthorne's two feeder primaries (Abbey and Aragon); directly comparable as sister institutions sharing governance, finance, and HR infrastructure.
Market position
Strengths5 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights7 records
Customer concentration
Glenthorne High School social profiles
Digital presenceGlenthorne High School financial estimates
Financial estimateRevenue estimate
Valuation estimate
Glenthorne High School leadership team
Management profileNumber of profiles
Profiles10 records
Glenthorne High School funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Glenthorne High School M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Glenthorne High School
What does Glenthorne High School do?
Glenthorne High School is a co-educational Academy secondary school providing full-time education to over 1,750 pupils aged 11-19 across Years 7-13, including a Sixth Form of 355 students. The school delivers a broad curriculum across 20+ academic departments, complemented by a designated Arts specialism with 24 dedicated Performing Arts aptitude places and three Saturday Schools programmes (AD1 Dance, ArtsOne Drama, and ArtsOne Rocks! Music). It also runs an ASD Base for 26 pupils with Autistic Spectrum Condition and serves as lead school for the Sutton Teaching Alliance and Sutton SCITT teacher training programmes.
Is Glenthorne High School a public or private company?
Glenthorne High School is a private company. It is classified as nonprofit foundation owned and is currently operating.
When was Glenthorne High School founded?
Glenthorne High School was founded in 1933. It employs 51 to 100 people.
Where is Glenthorne High School based?
Glenthorne High School is headquartered in Sutton, United Kingdom, in the Europe region.
How does Glenthorne High School make money?
Two revenue lines are on record. School Fund Contributions are the primary driver. The others are artsOne Saturday School Fees.
Who are Glenthorne High School's main competitors?
Direct peers on record are Cheam High School, Sutton Grammar School, Nonsuch High School for Girls, Wilson's School, Carshalton High School for Girls, Wallington High School for Girls and Greenshaw High School. Tiffin School is listed as a regional player. The BRIT School is listed as a broad incumbent. Willow Learning Trust (Abbey Primary / Aragon Primary) is listed as an others.
Does Glenthorne High School have an API?
No public API is recorded for Glenthorne High School.
What industry is Glenthorne High School in?
Glenthorne High School's product category is Secondary Education (Academy School). Its primary akta.pro industry code is EDAJAAAD, Public High Schools. Its NAICS code is 6111 and its SIC code is 8200.