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Times of the School Day

08:10

Student arrival time 

08:15

Registration/Assembly 

08:40

Period 1  

09:40

Period 2

10:40

Break Time 

11:00

Period 3 

12:00

Period 4 for Years 10, 11, 12 / Lunchtime for Years 7, 8, 9, 13 

13:00

Period 4 for Years 7, 8, 9, 13 / Lunchtime for Years 10, 11, 12 

14:00

Period 5

15:00

End of School 

16:30

End of Extra-Curricular Clubs 

 

In The Spotlight

Calendar

21 April

Y12 Parents Evening

3:30pm - 7:30pm
23 April

Y10 & Y12 Careers Fair

7:00pm - 9:00pm
05 May

British Film Institute, (Y9 German)
12 June

Year 8 Study Visit
13 June

Year 8 Study Visit
14 June

Year 8 Study Visit
15 June

Year 8 Study Visit
16 June

Year 8 Study Visit
22 June

Cricket Week
23 June

Cricket Week
24 June

Cricket Week
25 June

Cricket Week
Keep Connected

News & Social

14th of 3500 State Secondary Schools
Featured News
National Offer Day - Secondary School Places
Featured News
Frankly Speaking Speech Competition
Featured News
A Midsummer Night's Dream
Featured News
Top25 State School for Cricket
Featured News
Join us for Chis and Sid's Christmas Market on 6th December!
Featured News
Sedcopians Day 2026
Featured News
Featured News
GCSE Results 2025
Featured News
A Level Results 2025
Featured News
Featured News
Flourish win Best Company at the YE East London Finals!
Featured News
Featured News
Arkwright Engineering Scholars 2025
Featured News
LTA County School of the Year
Featured News
Winners of the Frankly Speaking Debate Competition at the US Embassy
Featured News
Senior Speech Day
Featured News
Top 25 State School for Cricket
Featured News
GCSE Results 2024
Featured News
Congratulations to Y13, Class of 2024!
Featured News
14th of 3500 State Secondary Schools
The school is thrilled to be ranked 14th of the near 3500 state secondary schools in England by The Telegraph. https://www.telegraph.co.uk/education-and-careers/uk-secondary-school-rankings-gcse-maths-english
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National Offer Day - Secondary School Places
Today is National Offer Day. Notifications of secondary school places in Bexley will be sent by the London Borough of Bexley (LBB).  Parents may also view their child's offer via the online Common Application Form application portal. Acceptance of an offer should be made to LBB. Children who have received an offer to join Chis and Sid will be sent a welcome letter by the school i
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Frankly Speaking Speech Competition
We’re delighted that Year 12 student Sullivan W placed runner-up at this year’s Frankly Speaking Competition at the U.S. Embassy, following opening remarks from the U.S. Ambassador. He was supported by Lucas S, alongside other Debating Society stars: Eden, Bunmi and Daniel. Over the past 15 years, more than 650 upper secondary students have taken part in the prestigious event, representing scho
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A Midsummer Night's Dream
Just one week to go until the Drama department presents it's vibrant and original reimagining of a Shakespearean classic! Show dates: Thursday 5 February 2026 - Friday 6 February 2026 We invite you to attend this year’s school production of William Shakespeare’s A Midsummer Night’s Dream - a bold and imaginative Rock vs Disco adaptation performed by our students.
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Top25 State School for Cricket
We are extremely proud to announce that The Cricketer magazine has once again voted us as one of the top 25 state schools for cricket in the country, as per their Schools Guide 2026. This is a true testament to all of the hard work, commitment, enthusiasm and talent that the school community put into the yearly programme. When you consider that over a 1000 schools have entered the new MCC under 15's st
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Join us for Chis and Sid's Christmas Market on 6th December!
All welcome, plenty of Christmas gifts for sale. Christmas shopping with live music and more. Car parking is available on site.
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Sedcopians Day 2026
The school is looking forward to offering an enhanced Sedcopians' Day event next year and in the lead up to our 100 year celebrations in 2031. Former students are asked to register their interest to help us plan for the 2026 event. More details to follow to registrees in due course. https://forms.office.com/Pages/ResponsePage.aspx...  
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Chis and Sid are fundraising to construct Padel Courts
  Chis and Sid are fundraising to install Padel Tennis courts! To donate please follow this link:  https://i.paydit.to/chislehurst-sidcup-csgs-school-fund Thank you for your support.  
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GCSE Results 2025
Congratulations to Year 11 at Chislehurst and Sidcup Grammar on their excellent GCSE results. Almost half of the grades awarded were either grade 8 or grade 9 and the overall grade7-9% was 71.5%.  Headteacher Nigel Walker said ‘These results are a fantastic achievement by Year 11, representing dedication and commitment to their studies. I look forward to seeing them join the Sixth Form in Septem
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A Level Results 2025
Chislehurst and Sidcup Grammar School is delighted to announce that this year’s outstanding A level results match last year’s best ever results with 73% of grades being awarded at A*-B.  The overall pass mark is also up a fraction on last year. Chislehurst and Sidcup Grammar School is the No.1 school in Bexley at A Level for: A* grades - 11.4% A*- A
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CSGS celebrate record-breaking number of offer-holders for Medicine!
Chis and Sid are celebrating record-breaking numbers of offer-holders to read Medicine this year. A record-topping 15 individual students hold an impressive 34 offer
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Flourish win Best Company at the YE East London Finals!
Huge congratulations to CSGS Young Enterprise Company 'Flourish' (@flourish.uk) for their outstanding achievement in winning the 'Best Company' award at the Young Enterprise Company of the Year East London Final!  This is a fantastic recognition of your hard work and dedication.
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Flourish win Best Company Award in the Outer East London Finals!
Congratulations to our school's Young Enterprise Team, Flourish, for winning Best Company in the Outer East London Finals on Friday! Flourish will be moving forward to the East London Finals, to be held on the 13th of May. #flourish #ecoscribe #newspaperpencil #youngenterprise
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Arkwright Engineering Scholars 2025
Chis and Sid are proud to announce that two of our Year 11 students have been awarded Arkwright Engineering Scholarships this year. This is the most esteemed scholarship of its type in the UK, designed to inspire students to pursue their dreams and change the world as an outstanding engineer of the future. The Scholarships are awarded to hard-working 16 year old students through a rigorous selection p
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LTA County School of the Year
CSGS is thrilled to announce that on Saturday 15th February we were honoured as the School of the Year at the LTA Kent Tennis Awards. Our heartfelt congratulations are extended to all of our players, Mrs Coxall (Tennis Coach and CSGS parent) and Mr French (Curriculum Leader for Physical Education).   The commendation from the LTA stated: Chis and Sid has become a beacon of a
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Winners of the Frankly Speaking Debate Competition at the US Embassy
We are absolutely delighted to share that two of our students, Rapolas and Lily, recently won the annual Frankly Speaking Debate Competition at the United States Embassy, with Rapolas taking home the best individual speaker prize. Rapolas will now join students from across Europe and the United States for a month-long all-expenses paid summer school at the Benjamin Franklin Transatlantic Fellowship Institu
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Senior Speech Day
Senior Speech Day 2025 was a fabulous way to kick off the New Year, it was so good to see so many of our Class of 2024 return to the school hall yesterday to receive their prizes for academic achievement, character and endeavour in the Sixth Form. Our distinguished guests included the Mayor of Bexley, Cllr Sue Gower MBE JP and the Mayor's Consort Mr Darren Tobin alongside the Chair of Governo
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Top 25 State School for Cricket
Chislehurst & Sidcup Grammar School are proud to be one of the Top 25 State Schools in The Cricketer School Guide 2025
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GCSE Results 2024
Chislehurst & Sidcup Grammar School are delighted with the outstanding GCSE results achieved by our students, with over 73% of grades at Grades 7-9. The school is ranked 32nd leading State School in the United Kingdom and Northern Ireland according to the GCSE results table published by The Times on 23rd August 2024 Congratulations to the GCSE Class of 2024!
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Congratulations to Y13, Class of 2024!
The students of Chis and Sid have truly excelled this year, with an outstanding set of A Level results. For the second consecutive year Chislehurst and Sidcup Grammar School is the No.1 school in Bexley for A Level results. The school is also the 57th leading state school in the UK and Northern Ireland as per The Times A Level results table published 16th August 2024. 72.3% of Chis and Sid
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Contact Us

Nigel Walker - Headteacher

Chislehurst & Sidcup Grammar School Hurst Road Sidcup Kent DA15 9AG
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