Welcome to Chesham Grammar School, an outstanding, co-educational school of over 1200 students.  CGS has a reputation for excellence.  We have high academic standards and superb examination results.

Almost all of our students progress to their first choice university including Oxford and Cambridge.  Our students will be the leaders of tomorrow and our aim is to ensure that they are well equipped for 21st century life.  We want them to be confident, articulate and optimistic as well as respectful, tolerant and compassionate.  Above all, we want them to be happy.

With best wishes Annmarie McNaney – Headteacher

Read more from the Headteacher


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Latest News

what's happening at Chesham Grammar

'The Current Account' Posted May 7 - 2021

'The Current Account'

Welcome to our new Economics magazine - 'The Current Account' - Mrs Carr, our Subject Leader for Economics who started with us in February, ha...
FOCGS - Bag2School clothes and shoe collection Posted Apr 29 - 2021

FOCGS - Bag2School clothes and shoe collection

We are pleased to announce that the Friends of Chesham Grammar School clothes & shoe collection with Bag2School was a great su...
Library Book Sponsorship Posted Mar 4 - 2021

Library Book Sponsorship

As you may know, Progress Evenings until last year were sociable events where parents met their child's teachers and caught up with friends old an...
CGS Outstanding Outdoors Localgiving Appeal Posted Nov 27 - 2020

CGS Outstanding Outdoors Localgiving Appeal

As you will be aware, we have had to make significant changes to how we operate the school on a day to day basis in order to ensure that we keep eve...
Friends of Chesham Grammar School Update! Posted Nov 25 - 2020

Friends of Chesham Grammar School Update!

WINTER AUCTION We’re looking for unusual and exciting items for our Winter Auction to be held in early December!  Things we’d lov...
Operation Christmas Child Posted Nov 13 - 2020

Operation Christmas Child

Katie in Year 12 and Daniel in Year 9  have packed shoe boxes for Operation Christmas Child.  They and their family have wrapped and fille...