Ofsted: Good schoolGrammar School trending_up Popular emoji_events #1 in Bexley public Top 1% UK

Chislehurst and Sidcup Grammar School

verifiedData: DfE 2024/25–2025/26 · Ofsted

personMr Nigel Walker

corporate_fareCHISLEHURST AND SIDCUP GRAMMAR SCHOOL

location_onSidcup, DA15 9AG

language Visit Website phone 2083026511

verified

Ofsted

Good

Inspected 2017

groups

Students

1,445

trending_up

Attainment 8

75.6

leaderboard

GCSE Rank

#1 in Bexley

#51 of 3,216 nationally

summarize

Chislehurst and Sidcup Grammar School is a Academy converter secondary school in Sidcup, serving ages 11-18. Rated Good by Ofsted. Demand is above capacity (1.1×) — apply through your local authority on time.

article

School Summary

Chislehurst and Sidcup Grammar School is an academy converter in Sidcup, Bexley, admitting pupils aged 11-18. It has a sixth form offering post-16 education. It is part of CHISLEHURST AND SIDCUP GRAMMAR SCHOOL. The school has approximately 1,517 pupils on roll, of whom 5% are eligible for free school meals.

In 2025, pupils achieved an Attainment 8 score of 75.6, placing the school #1 in Bexley and #51 of 3,216 nationally. 98.90% of pupils achieved grade 5 or above in English and Maths. 70.7% of all GCSE entries were graded 9–7.

The sixth form offers 26 A-level subjects. 72.7% of A-level entries were graded A*–B, with 40.9% at A*–A. A-level value added: 0.02 — sixth-form progress was broadly average.

Ofsted last inspected the school in 2017. The school's current overall rating is Good.

The school is oversubscribed — in the most recent cycle, there were 1.1× as many applications as places, making a successful application competitive.

The pupil-to-qualified-teacher ratio is 19.1:1. There are no current teaching vacancies.

In the 2024/25 academic year, there were no permanent exclusions. The average suspension rate was 0.6 per 1,000 pupils per term.

verified Source: DfE 2024/25–2025/26 · Ofsted

Academic Performance

verified Data: UK Gov 2024/25

analytics

Secondary Performance Trends (KS4)

2025

Progress 8 Score

Attainment 8

75.6

Grade 5+ E&M

98.90%

Grade 9–7 (all GCSEs)70.7%

Entering EBacc95.80%

EBacc APS7.47

2024

Progress 8 Score

0.82

vs National Avg

Attainment 8

Grade 5+ E&M

Entering EBacc97.90%

EBacc APS7.39

2023

Progress 8 Score

0.46

vs National Avg

Attainment 8

73.0

Grade 5+ E&M

Entering EBacc95%

EBacc APS7.12

2022

Progress 8 Score

0.41

vs National Avg

Attainment 8

Grade 5+ E&M

Entering EBacc95%

EBacc APS7.29

2021

Progress 8 Score

Attainment 8

Grade 5+ E&M

Entering EBacc99%

EBacc APS-

2019

Progress 8 Score

0.43

vs National Avg

Attainment 8

72.1

Grade 5+ E&M

Entering EBacc93%

EBacc APS6.87

2018

Progress 8 Score

0.39

vs National Avg

Attainment 8

70.3

Grade 5+ E&M

Entering EBacc87%

EBacc APS6.51

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Student Destinations (After Secondary)

This module shows what students did after finishing Key Stage 4 (GCSEs). It reflects how well the school prepares pupils for the real world.

2025

Stayed in Education / Employment

98%

Education (e.g. Sixth Form/College)98%

Apprenticeships1%

Employment0%

Not in Education / Employment (NEET)1%

2024

Stayed in Education / Employment

100%

Education (e.g. Sixth Form/College)99%

ApprenticeshipsSP%

EmploymentSP%

Not in Education / Employment (NEET)0%

2023

Stayed in Education / Employment

99%

Education (e.g. Sixth Form/College)98%

ApprenticeshipsSP%

Employment0%

Not in Education / Employment (NEET)SP%

2022

Stayed in Education / Employment

99%

Education (e.g. Sixth Form/College)99%

Apprenticeships0%

EmploymentSP%

Not in Education / Employment (NEET)SP%

2021

Stayed in Education / Employment

99%

Education (e.g. Sixth Form/College)98%

Apprenticeships1%

Employment0%

Not in Education / Employment (NEET)SP%

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Sixth Form (A-Level) Performance

A-level results for students who stayed in sixth form at this school. Value added measures how much progress students made relative to their GCSE starting point.

2025

A-Level Value Added

+0.02

vs expected from GCSEs

Pupils make broadly expected progress at A-level.

Avg Grade

Students

260

Grade Breakdown

Achieving A*11.8%

Achieving A*–A40.9%

Achieving A*–B72.7%

VA Banding Average

Retention rate99.6%

A-level subjects offered26

2024

A-Level Value Added

-0.01

vs expected from GCSEs

Pupils make broadly expected progress at A-level.

Avg Grade

Students

245

Retention rate98.40%

2023

Avg Grade

Students

249

Retention rate97.20%

2022

Avg Grade

A-

Students

230

Retention rate99.1%

Source: DfE A Level and Other 16-18 Results

Ofsted History

Publication Timeline

Report Archive

13 December 2022

Inspection Report

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19 September 2017

Inspection Report

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12 December 2013

Inspection Report

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14 February 2012

Inspection Report

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09 January 2012

Inspection Report

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Inspection Report

Inspection History

3 Evaluations

2017-09-19

None Legacy

No Judgement

Education

No Judgement

Behaviour

Development

Leadership

2013-12-12

S5 Inspection Legacy

Good

Education

No Judgement

Behaviour

No Judgement

Development

No Judgement

Leadership

Outstanding

2009-04-28

None EIF

Good

Education

No Judgement

Behaviour

No Judgement

Development

No Judgement

Leadership

Good

Wellbeing, SEN & Pastoral Care

gavel

Behaviour & Discipline (Suspensions & Exclusions)

Official Department for Education (DfE) data. Suspensions measure temporary removals due to behavior, while exclusions represent permanent removals.

Suspension Rate

0.6%per term

sentiment_satisfied Below Average (Good)

National average: 7.3% for this term (secondary).

Pupils Suspended 1+ Times

0.5%(8 pupils)

Spring term 2025

Represents the proportion of unique students suspended at least once in this term.

Permanent Exclusions

0pupils

verified Excellent (Zero)

National average: 7.398% of pupils excluded per term.

Pastoral Context: In the Spring term of 2025, this school served a headcount of 1,517 pupils. During this period, there were 9 temporary suspensions. The school's suspension rate was 0.6%, which is below the termly national average of 7.3%.

View Historical Disciplinary Records (2017–2025)keyboard_arrow_down

Year / Term	Headcount	Suspensions	Susp. Rate	Nat. Avg
2024/25 (Spring term)	1,517	9	0.6%	7.3%
2024/25 (Autumn term)	1,519	9	0.6%	7.8%
2023/24 (Summer term)	1,463	4	0.3%	7.4%
2023/24 (Spring term)	1,457	7	0.5%	7.1%
2023/24 (Autumn term)	1,454	4	0.3%	8.2%
2022/23 (Summer term)	1,441	8	0.6%	6.6%
2022/23 (Spring term)	1,445	14	1.0%	6.4%
2022/23 (Autumn term)	1,450	18	1.2%	5.9%
2021/22 (Summer term)	1,438	11	0.8%	4.7%
2021/22 (Spring term)	1,440	17	1.2%	4.9%
2021/22 (Autumn term)	1,441	15	1.0%	4.4%
2020/21 (Summer term)	1,435	12	0.8%	3.6%
2020/21 (Spring term)	1,433	3	0.2%	1.0%
2020/21 (Autumn term)	1,435	7	0.5%	3.9%
2019/20 (Summer term)	1,426	0	0.0%	0.0%
2019/20 (Spring term)	1,426	13	0.9%	3.2%
2019/20 (Autumn term)	1,426	15	1.1%	4.2%
2018/19 (Summer term)	1,410	7	0.5%	3.1%
2018/19 (Spring term)	1,409	14	1.0%	3.8%
2018/19 (Autumn term)	1,412	14	1.0%	3.8%
2017/18 (Summer term)	1,380	14	1.0%	3.4%
2017/18 (Spring term)	1,379	18	1.3%	3.0%
2017/18 (Autumn term)	1,385	15	1.1%	3.7%
2016/17 (Summer term)	1,359	9	0.7%	3.0%
2016/17 (Spring term)	1,361	3	0.2%	3.3%
2016/17 (Autumn term)	1,364	20	1.5%	3.1%

Source: DfE Suspensions and Permanent Exclusions in England. Data represents termly statistics as published by the Department for Education.

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Supported Special Educational Needs (SEN)

Primary areas of need currently supported by the school. A high number often indicates specialized internal units or high staff experience in these areas.

Autistic Spectrum Disorder 9 pupils

Social, Emotional & Mental Health 2 pupils

Speech, Language & Communication 1 pupils

Specific Learning Difficulty 1 pupils

Hearing Impairment 1 pupils

health_and_safety

Parent View on Pastoral Care

Results from the official Ofsted Parent View survey, reflecting direct parent sentiment regarding the school environment.

My child is happy at this school.

95.0%Positive

My child feels safe at this school.

97.0%Positive

My child has been bullied and the school dealt with the bullying quickly and effectively.

13.0%Positive

View All Survey Responseskeyboard_arrow_down

The school makes sure its pupils are well behaved.

strongly agree61%

agree35%

disagree1%

strongly disagree1%

don't know2%

The school makes me aware of what my child will learn during the year.

strongly agree26%

agree43%

disagree22%

strongly disagree4%

don't know4%

When I have raised concerns with the school they have been dealt with properly

strongly agree36%

agree21%

disagree5%

strongly disagree3%

don't know2%

not applicable34%

Does your child have special educational needs and/or disabilities (SEND)?

yes11%

no89%

My child has special educational needs and/or disabilities, and the school gives them the support they need to succeed.

strongly agree55%

agree26%

disagree13%

strongly disagree5%

The school has high expectations for my child.

strongly agree65%

agree31%

disagree2%

strongly disagree1%

don't know1%

My child does well at this school.

strongly agree61%

agree34%

disagree3%

strongly disagree1%

don't know2%

The school lets me know how my child is doing.

strongly agree50%

agree41%

disagree4%

strongly disagree2%

don't know2%

There is a good range of subjects available to my child at this school.

strongly agree54%

agree39%

disagree4%

strongly disagree1%

don't know1%

My child can take part in clubs and activities at this school.

strongly agree62%

agree35%

disagree2%

don't know1%

The school supports my child's wider personal development.

strongly agree45%

agree44%

disagree3%

strongly disagree2%

don't know6%

I would recommend this school to another parent.

yes93%

no7%

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School Summary

Academic Performance

Secondary Performance Trends (KS4)

Student Destinations (After Secondary)

Sixth Form (A-Level) Performance

Ofsted History

Publication Timeline

Inspection History

Admissions Insight

How Places Are Allocated

Selective Admission (Grammar)

Distance to School

School Capacity

Secondary Admission Trends

Students & School Environment

School Size

Language Diversity

Inclusive Support

Attendance

Ethnicity Breakdown

Wellbeing, SEN & Pastoral Care

Behaviour & Discipline (Suspensions & Exclusions)

Supported Special Educational Needs (SEN)

Parent View on Pastoral Care

My child is happy at this school.

My child feels safe at this school.

My child has been bullied and the school dealt with the bullying quickly and effectively.

The school makes sure its pupils are well behaved.

The school makes me aware of what my child will learn during the year.

When I have raised concerns with the school they have been dealt with properly

Does your child have special educational needs and/or disabilities (SEND)?

My child has special educational needs and/or disabilities, and the school gives them the support they need to succeed.

The school has high expectations for my child.

My child does well at this school.

The school lets me know how my child is doing.

There is a good range of subjects available to my child at this school.

My child can take part in clubs and activities at this school.

The school supports my child's wider personal development.

I would recommend this school to another parent.

Funding & Staffing

School Funding Allocation

Funding Breakdown

Staffing

Teacher Turnover

Top Secondary Schools in Bexley

Bexley Grammar School

Townley Grammar School

Beths Grammar School

St Catherine's Catholic School

St Columba's Catholic Boys' School

Harris Garrard Academy