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

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Latest News

what's happening at Chesham Grammar

Table Tennis Centre Posted Dec 6 - 2019

Table Tennis Centre

Chesham Grammar School Table Tennis Centre, since opening it doors has become a hub of activity every Monday evening, and now Wednesday too. Due to p...
Girls' Football at CGS continues to dazzle! Posted Dec 6 - 2019

Girls' Football at CGS continues to dazzle!

With all three age groups (Under 13s, Under 15s and Under 16s) all still seeking to defend the County Cup treble achieved last year by Mr Tom Finch an...
Former CGS student, Daniel Eckersley continued success Posted Dec 6 - 2019

Former CGS student, Daniel Eckersley continued success

Former Chesham Grammar School pupil, Daniel Eckersley, continues to go from strength to strength in the Rugby world, and is on track to sign a profess...
TNEC Team receive Rotary/Chiltern Chamber Award Posted Oct 18 - 2019

TNEC Team receive Rotary/Chiltern Chamber Award

CGS National Enterprise Challenge winners received special recognition award today from the Mayor of Chesham, the Rotary Club of Chesham, and the...
CGS Clubs Fair Posted Sep 25 - 2019

CGS Clubs Fair

Chesham Grammar held its first Clubs Fair on Friday 20th September.  This was entirely organised by CGS Sixth Formers and gave our students ...
GCSE Results Day Posted Aug 22 - 2019

GCSE Results Day

Staff and students at Chesham Grammar School are celebrating a superb set of GCSE results this today.  This is the second cohort of students ...