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Chislehurst and Sidcup Grammar School
Bexley·Secondary·London·Academy converter·DA15 9AG
URN: 137423
75.6
Attainment 8
National avg ≈ 46.4 · 2024/2025
+0.82
Progress 8
2023/2024 · CI: [0.61, 1.03]
98.9%
5+ Eng & Maths
Grade 5+ in both · 2024/2025
95.8%
EBacc entry
% entering EBacc · 2024/2025
41.2
A level APS
Average points per entry · 2024/2025
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 outcomesVery strong academic outcomes
Attainment 8 of 75.6 is well above the national average of around 46. This reflects strong GCSE outcomes across the standard subject basket.
- Attainment 8:
- 75.6
- 5+ Eng & Maths:
- 99%
- Academic year:
- 2024/2025
Pupil progressAbove-average progress
Pupils made above-average progress compared with similar pupils nationally. The confidence interval is entirely above zero, which is strong evidence of added value.
- Progress 8:
- +0.82
- Confidence interval:
- [0.61, 1.03]
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.
This is a selective school. Admission usually requires passing an entrance test. Check the school's admissions policy for test registration deadlines.
Watch-outs
- Selective admissions: an entrance test (usually the 11+ or equivalent) is required. Check registration and test dates well in advance.
Next actions
- Verify the school's official admissions policy
- Check entrance test registration dates
- 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
Progress 8 over time(not available 2024/25)
Grammar School Entry
Only source-backed entry information found on the school's own website is shown below.
Official links
Verified key dates
Registration opens
1 Mar 2026
Registration deadline
31 Mar 2026
Verified exam details
Exam type
Bexley Selection Test
Exam provider
London Borough of Bexley / GL Assessment
Open days from the school website
Open Morning on Friday 9 October 2026 with sessions at 8.45am and 9.35am
9 Oct 2026
Open Morning on Thursday 15 October 2026 with sessions at 8.45am and 9.35am
15 Oct 2026
Open Morning on Monday 19 October 2026 with sessions at 8.45am and 9.35am
19 Oct 2026
Entry requirements
The school participates in the Bexley coordinated admissions scheme. Only pupils who have sat the Bexley Selection Test and are deemed selective are eligible to be considered for entry. Parents then apply through the CAF and complete the school supplementary form where applicable.
Exam dates and admissions evidence
For 2027 entry, Bexley Selection Test registration opens on 1 March 2026 and closes on 31 March 2026. The anticipated testing date is between 7 and 11 September 2026, with exact dates to be confirmed. Results are sent out in mid October ahead of the CAF deadline. The open-morning programme for Year 7 September 2027 entry runs on 9, 15 and 19 October 2026, with extra small-group tours on 12 to 16 October 2026.
Verification
Data year
2026
Last verified
16 Apr 2026
Confidence
96%
Pages checked
3
Historical results
| Year | Pupils | Att8 | P8 | 5+ E&M | EBacc % | EBacc APS |
|---|---|---|---|---|---|---|
| 2024/2025 | 189 | 75.6 | — | 98.9% | 95.8% | 7.5 |
| 2023/2024 | 190 | 76.0 | +0.82 | 100.0% | 97.9% | 7.4 |
| 2022/2023 | 191 | 73.0 | +0.46 | 99.0% | 95.0% | 7.1 |
| 2021/2022 | 201 | 75.0 | +0.41 | 100.0% | 95.0% | 7.3 |
Nearby and similar schools
Other secondary schools in Bexley for local comparison.
Townley Grammar School
Ofsted OutstandingAttainment 8 75.0Progress 8 +0.66
Compare with Chislehurst and Sidcup Grammar SchoolBexley Grammar School
Ofsted OutstandingAttainment 8 74.7Progress 8 +0.49
Compare with Chislehurst and Sidcup Grammar SchoolBeths Grammar School
Ofsted GoodAttainment 8 71.6Progress 8 +0.53
Compare with Chislehurst and Sidcup Grammar SchoolSt Catherine's Catholic School
Ofsted GoodAttainment 8 55.1Progress 8 +0.75
Compare with Chislehurst and Sidcup Grammar SchoolSt Columba's Catholic Boys' School
Attainment 8 51.4Progress 8 +0.04
Compare with Chislehurst and Sidcup Grammar SchoolSchool information
| URN | 137423 |
| Local authority | Bexley |
| Region | London |
| Phase | Secondary |
| Type | Academy converter |
| Gender of entry | Mixed |
| Age range | 11-18 |
| Headteacher | Headteacher Nigel Walker |
| Trust | CHISLEHURST AND SIDCUP GRAMMAR SCHOOL |
| Admissions | Selective |
| Religious character | Does not apply |
| Postcode | DA15 9AG |
| Latest pupils | 189 |
| FSM eligible | 2.7% |
Contact and identifiers
Hurst Road, Sidcup, Kent, DA15 9AG
http://www.csgrammar.com/View local authority page2083026511| DfE number | 4009 |
| UKPRN | 10035164 |
| Opened | 1 Sept 2011 |
| GIAS updated | 16 Feb 2026 |
Data sources and freshness
| Official record updated | 16 Feb 2026 |
| Latest KS4 year | 2024/2025 |
| Latest KS2 year | — |
| Ofsted published | — |
Latest Ofsted inspection
| Quality of education | — |
| Behaviour and attitudes | — |
| Personal development | — |
| Leadership and management | — |
| Safeguarding | — |
| Inspection type | — |
| Category of concern | — |
| Inspection date | — |
| Publication date | — |