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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

Latest News

what's happening at Chesham Grammar

Posted Dec 13 - 2016

Senior Citizens' Christmas Party

CGS hosted just under 120 senior citizens at a Christmas party in the School Hall on Saturday 10th December - the eldest of whom was 102!.   Th...
Posted Nov 21 - 2016

A Christmas Carol - Caspar Collier-Moore

Caspar Collier-Moore, one of our Year 7 students is playing 'Tiny Tim' in A Christmas Carol, between 21st-30th December at The Little Theatre ...
Children In Need Day at CGS - led by Darwin House Posted Nov 17 - 2016

Children In Need Day at CGS - led by Darwin House

Good News Posted Oct 31 - 2016

Good News

Many congratulations to Harvey Allsop, Year 12, who was presented with his Arkwright Scholarship Award earlier this week. Well done, Harvey.   ...
Introducing our new School Connect App Posted Oct 14 - 2016

Introducing our new School Connect App

We understand the importance of keeping you up to date with the very latest school news, events and information.  In addition to the wealth of in...
AS & A level Results 2016 Posted Sep 10 - 2016

AS & A level Results 2016

Press Release: Students and staff at Chesham Grammar School are celebrating their best ever A level results.  Just under half of all entries res...