Announcement /

A message from the Headteacher

Welcome to Chesham Grammar School, an outstanding, co-educational school of over 1300 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

Posted May 1 - 2025

Ofsted Inspection March 2025

Chesham Grammar School was inspected by Ofsted in early March 2025. The report has just been published and staff, students, parents and trustees...

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Posted Feb 27 - 2025

Character Education Award

We are delighted to announce that we have been awarded the Association for Character Education's Kite Mark. Two assessors visited the school...

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Posted Dec 17 - 2024

School League Tables

We were pleased to read that Chesham Grammar School has again been named in the Times/Sunday Times top 100 state secondary school and in the top 10 st...

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Posted Nov 11 - 2024

Act of Remembrance

On Monday 11th November we held our Act of Remembrance service. This is the only time in the year when the whole school gathers and the sig...

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Posted Oct 9 - 2024

On the Hill magazine

Please find our latest edition of the school magazine here: https://read.bookcreator.com/MlrfiwaJunX4fKUeBCzTdKxDZFUL59bOCVfo1-CJUXg/7xiv2...

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Posted Oct 4 - 2024

Darwin Charity Day

On Friday we had a Darwin charity day that supported James Shone's charity 'I Can & I Am'. They include: Bake sale at break t...

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Latest Events

what's coming up at a glance

30thSeptember

Clothing Recycling collection day

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Latest Tweets

All 3 teams have boarded the flight for home - I am sure they will all be excited to see you and share their adventures!
Chesham Grammar School @CGSBucks
This may be of interest for #Y12 and #Y13 students. Deadline 15th August. More info in link: https://t.co/9TVRJCXvtv#ALevelGerman #KS5German #AQAGerman pic.twitter.com/5GCBtlxGni
Chesham Grammar School @CGSBucks
Some further images of Team 2 on project pic.twitter.com/1Ghbg2A5pe
Chesham Grammar School @CGSBucks
Here is Team 2 between Lesotho and South Africa yesterday pic.twitter.com/zgL7nJkHLi
Chesham Grammar School @CGSBucks
These are images from Team 2’s project, including the mural they painted. pic.twitter.com/HMsYega3tn
Chesham Grammar School @CGSBucks
Team 2 have also completed their trek and project. Here are some more stunning images of the landscape from their trek. pic.twitter.com/MwwEh8haGk
Chesham Grammar School @CGSBucks
Some of the stunning imagery being sent in from Team 1 and 3’s treks pic.twitter.com/cSU4d65h2j
Chesham Grammar School @CGSBucks
Team 3 - these are some of the images from their project in Lesotho pic.twitter.com/qFgnYx01Mi
Chesham Grammar School @CGSBucks
Team 3 are also back from their trek and project section- here are pictures from their trek. pic.twitter.com/TrKCZRfS8h
Chesham Grammar School @CGSBucks
Team 1 have finished their recent leg of the expedition and the staff team have been able to send some pictures over - here are some of the team having enjoyed this section pic.twitter.com/ursRYz2wcV
Chesham Grammar School @CGSBucks
Year 6 ➡️ 7 Summer camp. Today was house day. All students took part in Art, Drama, Cricket, Basketball, Football, Netball and Softball competitions. It was great to see so many students representing their houses with pride and engaging in the house spirit. pic.twitter.com/2ZzMUorDUB
Chesham Grammar School @CGSBucks
Some of the pictures from Team 2’s adventures! pic.twitter.com/ypgLQULHi1
Chesham Grammar School @CGSBucks