
The school has maintained a number of annual events since its founding in the Autumn Term of 1931 these include Awards afternoons and evenings, Sports Day, concerts and productions, and the celebrated school magazine The Chronicle.
Each year we welcome back former students for a day of fun, celebration and the sharing of memories.
Chislehurst and Sidcup Grammar School are happy to present the next Sedcopians Day* on the 25th March 2026. *This event is solely for former CSGS students.
The day will bring former CSGS students from all ages back to the school to network, watch our best current sporting talents pit themselves against illustrious sportsmen and women from past years, as well as fun, games and refreshments for all attendees.
Our provisional timetable for the day is shown below:

Please sign up for the various activities using the Microsoft form below:
Sedcopians' Day 2026 RSVP form - https://forms.office.com/e/WRFpJu0pDp
Chis and Sid has a long history and as a consequence has a large alumni group with much experience of the working world and life in general.
We will soon be offering a selection of merchandise that as an Sedcopian you may like to have.
We are working on a collection specifically to celebrate our Sedcopians, and hope to be able to offer a sedcopian scarf, umbrella, and an opportunity to acquire a numbered original print of the school.
Click here for the CSGSRA online shop that offers CSGS umbrellas, baseball caps and Chis and Sid rugby balls among other things.
We aim to keep you informed through the website and mailings, and we hope to cultivate lasting friendships. We can realistically only reach those for whom we have current email addresses so if you do not hear from us regularly please email sedcopians@csgrammar.com to be added to our mailing list.
Our former students go on to have rich and varied lives and careers. Many of you recognise that your experience is invaluable to our students and we are fortunate to be able to tap into that to give confidence to our leavers in their choices regarding the next stage of their lives.
We always welcome more speakers to put in front of our students. It is also important that we know where to turn for advice and mentoring in career fields. If you feel able to talk to students in these capacities then do let us know. See our Careers area page on this website for more background.
Email careers@csgrammar.com with any thoughts you may have. In particular please let us know if the organisation you work for runs taster days for school leavers as we are keen to build up our knowledge of these.
In March each year we host a Careers Fair for students throughout the school. If you can host a stall either on behalf of your company or as an independent advisor, please let us know. In the first instance email Laura Taylor at laura.taylor@csgrammar.com to discuss how you might help.
We are working on a digitalising our archive, and hope to have this complete in time for our centenary in 2031.
Donations to the School are always welcome.
We invite all of our community to consider a regular donation to the school. A one-off donation is of course equally welcome.
You might also consider asking your employer to match-fund all or part of the donation as we are a registered charity - this is easy to process and often exists without much publicity but facilitates the charitable giving of major corporations. A simple request to the HR department or Charities office at your place of employment can work magic on the amounts we receive.
There are various way you may wish to support and give back to the school.
And finally we respectfully remind our community that a legacy can be a tax-efficient way of expressing gratitude for the education you received, to honour a loved one or to ensure you have a positive impact on generations of the future.
Any donations can be Gift-aided if they are made by a UK tax-payer - this makes donations worth considerably more to us.
Over time, we have compiled the details, as they have come to our knowledge, of the accomplishments of Sedcopians. Please visit our Alumni area for our Hall of Fame, sporting greats and list of published works by Sedcopians.
Held in July, our Sports Day comprises 75 different events. Certificates and trophies are presented by the Headteacher.
The Year 7 Long jump record remains unbeaten since 1941 and the latest event record was set in 2021, for the Year 10 Shotput distance.
Points are awarded for the House Championship, 5 points for 1st place, 4 points for 2nd place, 3 points for 3rd place, 2 points for 4th place and 1 point for 5th place.

At our Junior and Senior Speech Days students are presented awards for their exceptional performance in academia as nominated by school staff.
During the school year there are many ways in which students can earn themselves coveted rewards and achievement points, these may be awarded throughout the school day. Students in Years 7-9 with the highest achievement points are recognised at Keystage 3 Afternoon (formerly Junior Speech Day). Exceptional endeavour is also recognised at our prize-giving events for Keystage 4 in September and Senior Speech Day (KS5) in January.

Please find information on our Concerts and Productions at:
/beyond-the-classroom/concerts-and-productions and click for Music concerts, Dance Showcase and Drama Productions
Please find information on The Chronicle at:
Together with the obligatory shirt signing ritual on the final school day for Year 11, the school offers an annual Riverboat Cruise. This event is organised for the students to mark the end of their GCSE examinations and brings to an end their time in Key Stages 3 and 4.



The end of Sixth Form is celebrated with an assembly led by the students to review their time at the school. There is also an annual Sixth Form Leavers’ Ball which is organised by The CSGS Ball Committee at an external venue. Year 13 also utilise their creative talents to plan and film their own leaving video.
