School profile

Cornerstone School

Free schools special · Belvedere, DA17 6DW

Good

Map showing Cornerstone School

Schools
Outstanding
Good
Requires improvement
Inadequate
Not rated

Ofsted inspection and rating

Cornerstone School rating

Ofsted four-point inspection gradesInspected 18 Jun 2024

Ofsted rating
Good
Quality of education
Good
Behaviour and attitudes
Outstanding
Personal development
Good
Leadership and management
Outstanding
Safeguarding
Effective

School facts

TypeFree schools special
Ages11 to 19
Pupils112 of 100 places
GenderMixed
Admissions policyNon-selective
Head teacherMrs Debbie Donnelly
TrustTRINITAS ACADEMY TRUST
Local authorityBexley
Opened01 Sept 2021
WebsiteVisit

Source: Get Information about Schools, URN 148582.

GCSE results

2025/26

GCSE and equivalent results at the end of year 11. Attainment 8 averages results across 8 subjects; Progress 8 compares pupils' progress with pupils who had similar key stage 2 results.

MeasureThis schoolBexleyEngland
Attainment 8 score19.35146.2
Grade 4 or above in English and maths30.4%71.3%64.8%
Grade 5 or above in English and maths8.7%55.4%46.3%
Grade 7 or above in English and maths0%21.8%14.2%
5 or more GCSEs at grade 9-4, including English and maths13%67.2%60.2%
Pupils at the end of key stage 423--

Source: DfE, Key stage 4 performance, Academic year 2025/26, published 15 Oct 2026.

Pupils

2025/26
MeasureThis school
Pupils112
Girls40
Boys72
Eligible for free school meals43.8%
First language not English1.8%
SEN support0
EHC plan112

Source: DfE, Schools, pupils and their characteristics, Academic year 2025/26, published 04 Jun 2026.

Pupils ethnicity

2025/26

Pupils ethnicity

White British
82.1%
Other mixed
3.6%
African
3.6%
Other White
2.7%
White and Black Caribbean
2.7%
White and Asian
1.8%
Irish
0.9%
White and Black African
0.9%
Other Asian
0.9%
Caribbean
0.9%

Source: DfE, Schools, pupils and their characteristics, Academic year 2025/26, published 04 Jun 2026.

Attendance

2025/26

Share of possible sessions missed. Persistent absence means missing 10% or more of sessions; severe absence means missing 50% or more.

MeasureThis schoolBexleyEngland
Overall absence24.5%13%12.9%
Persistent absence56%34.4%34.7%
Severe absence20.7%7.1%6.9%

Source: DfE, Pupil absence in schools in England, Autumn and spring term 2025/26, published 15 Oct 2026.

Teachers and staff

2025/26
MeasureThis school
Pupils per teacher7
Pupils per adult3.2
Teachers (FTE)16.1
Teaching assistants (FTE)16.85
Support staff (FTE)20.77
Teachers in census year (FTE)2024/2516.3
Teachers who stayed (FTE)2024/2513.1
Teachers who moved to another state school (FTE)2024/250
Teachers who left state schools (FTE)2024/253.2

Source: DfE, School workforce in England, Reporting year 2025, published 04 Jun 2026.

Suspensions and exclusions

2024/25
MeasureThis school
Suspension rate23.2%
Pupils with one or more suspensions10.1%
Permanent exclusion rate0%
Permanent exclusions0

Source: DfE, Suspensions and permanent exclusions in England, Academic year 2024/25, published 09 Jul 2026.

Nearby schools

Ratings include official Ofsted judgements and Area360 summaries of inspection grades. Open a school’s profile for its inspection grades and results.

Schools near Cornerstone School
DistancePhaseNameTypeRatingLinks
0.1 miPrimaryBelvedere Junior SchoolAcademy sponsor led
Good
0.1 miPrimaryBelvedere Infant SchoolAcademy converter
Good
0.3 miSecondaryTrinity Church of England School, BelvedereAcademy converter
Requires improvement
0.5 miPrimarySt Augustine of Canterbury CofE Primary SchoolAcademy sponsor led
Good
0.6 miPrimaryLessness Heath Primary SchoolAcademy sponsor led
Good
0.6 miPrimaryLime Wood Primary SchoolFree schools
Outstanding
0.8 miPrimaryNorthwood Primary SchoolAcademy converter
Good
0.9 miNot applicableBreak Through SchoolOther independent school
Unrated
0.9 miPrimarySt Fidelis Catholic Primary SchoolVoluntary aided school
Outstanding
1.0 miPrimaryParkway Primary SchoolCommunity school
Good

Frequently asked questions about Cornerstone School

What is Cornerstone School's Ofsted rating?

Cornerstone School is rated Good by Ofsted, last inspected on 18 Jun 2024.

How many pupils attend Cornerstone School?

Cornerstone School has 112 pupils aged 11 to 19, with capacity for 100.

Figures are the latest published by the Department for Education for each measure. Small numbers are suppressed by the publisher to protect pupils' privacy. Read how Area360 school ratings and rankings work.