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Castledon School
Essex·Not applicable·East of England·Academy special converter·SS12 0PW
URN: 141765Not judgedOfsted published 8 Sept 2025
0.4
Attainment 8
National avg ≈ 46.4 · 2021/2022
n/a
Progress 8
No published value in available years
0.0%
5+ Eng & Maths
Grade 5+ in both · 2021/2022
0.0%
EBacc entry
% entering EBacc · 2021/2022
Decision summary
This summary combines published school data and is designed to help you decide what to check next. It does not guarantee a school place or replace official admissions guidance.
Academic outcomesAcademic data not assessed
Academic signal is not available for this school phase in our current dataset.
Pupil progressLimited progress data
No Progress 8 data is available for this school in the years we hold.
Admissions realismAdmissions realism: not yet assessed
Admissions realism depends on your home postcode and the school's published allocation data. Enter your postcode on this page to get a more specific assessment, and always verify the latest policy on the school's official admissions page.
Watch-outs
- Small cohort (29 pupils in the latest results year). Figures may be less reliable and some data may be suppressed.
Next actions
- Verify the school's official admissions policy
- Book an open day or school visit
- Add this school to your shortlist and compare with backup options
Performance over time
Attainment 8 over time
Historical results
| Year | Pupils | Att8 | P8 | 5+ E&M | EBacc % | EBacc APS |
|---|---|---|---|---|---|---|
| 2024/2025 | 29 | — | — | — | — | — |
| 2023/2024 | 25 | — | — | — | — | — |
| 2022/2023 | 21 | — | — | — | — | — |
| 2021/2022 | 25 | 0.4 | — | 0.0% | 0.0% | 0.0 |
Nearby and similar schools
Other secondary schools in Essex for local comparison.
King Edward VI Grammar School, Chelmsford
Ofsted OutstandingAttainment 8 83.3Progress 8 +1.11
Compare with Castledon SchoolColchester Royal Grammar School
Ofsted InadequateAttainment 8 82.1Progress 8 +1.09
Compare with Castledon SchoolChelmsford County High School for Girls
Ofsted OutstandingAttainment 8 80.7Progress 8 +0.76
Compare with Castledon SchoolColchester County High School for Girls
Ofsted OutstandingAttainment 8 80.6Progress 8 +0.99
Compare with Castledon SchoolBrentwood Ursuline Convent High School
Ofsted GoodAttainment 8 61.0Progress 8 +1.01
Compare with Castledon SchoolSchool information
| URN | 141765 |
| Local authority | Essex |
| Region | East of England |
| Phase | Not applicable |
| Type | Academy special converter |
| Gender of entry | Mixed |
| Age range | 5-19 |
| Headteacher | Headteacher Simon Holliday |
| Trust | ZENITH MULTI ACADEMY TRUST |
| Admissions | Not applicable |
| Religious character | Does not apply |
| Postcode | SS12 0PW |
| Latest pupils | 29 |
| FSM eligible | 36.2% |
Contact and identifiers
Bromfords Drive, Wickford, Essex, SS12 0PW
http://www.castledon.orgView local authority page1268761252| DfE number | 7045 |
| UKPRN | 10048921 |
| Opened | 1 Mar 2015 |
| GIAS updated | 10 Mar 2026 |
Data sources and freshness
| Official record updated | 10 Mar 2026 |
| Latest KS4 year | 2024/2025 |
| Latest KS2 year | 2024/2025 |
| Ofsted published | 8 Sept 2025 |
Latest Ofsted inspection
Not judged
View Ofsted report
| Quality of education | Outstanding |
| Behaviour and attitudes | Outstanding |
| Personal development | Outstanding |
| Leadership and management | Outstanding |
| Safeguarding | Effective |
| Inspection type | S5 Inspection |
| Category of concern | — |
| Inspection date | 8 Jul 2025 |
| Publication date | 8 Sept 2025 |