Head: Annmarie McNaney
A competitive co-educational grammar school in Buckinghamshire with an Outstanding Ofsted rating.
0
Year 7 Places
0.0:1
Applicants/Place
Pass Mark
0
Pupils
Max Score
170
Qualifying Score
121
71% of max
Cutoff Score
121
71% of max
Distance Cutoff
3.5 mi
Applications
1,102
Offers Made
178
Catchment, then Score
Catchment area students get priority. Within catchment, places by test score.
To check whether you live in catchment for CGS, please use Buckinghamshire Council's Find a secondary school near you tool. A map of the school's Catchment Area can be found here.
Local Authorities
Postcode Areas
Sibling Priority
Pupil Premium
Process
Admissions appeals are handled, on our behalf, by Buckinghamshire Council.
Waiting List
Pupils who qualify for a place as a result of late transfer testing will therefore be placed on a waiting list in accordance with our over subscription criteria in our Admissions Policy 2026.
1. Register
5 May 2026
2. Take Test
Buckinghamshire 11+
3. Results
10 Oct 2026
4. Offer Day
1 Mar 2027
A shared 11+ entrance exam used by 13 grammar schools, administered by GL Assessment, testing Verbal Reasoning, Non-Verbal Reasoning. Two multiple-choice papers administered by GL Assessment. Paper 1: Verbal Reasoning (50 min). Paper 2: Non-Verbal Reasoning (50 min). Applications for admission to Chesham Grammar School at the start of Year 7 are handled by Buckinghamshire Council. Students take the Buckinghamshire Secondary Transfer Test (STT) with test date 11 September 2025 and results 10 October 2025. School has over 1300 students. Almost all students progress to first choice university including Oxford and Cambridge.
Max
170
Qualifying Score
121
71% of max
Registration Opens
Registration opens for the 11+ exam
5 May 2026
Registration Deadline
Final day to register for the 11+ exam
19 Jun 2026
Open Evening
This will be a ticketed event - bookings will open the week commencing Monday, 8th June 2026.
1 Jul 2026
Exam Date
11+ entrance exam
12 Sep 2026
9:00am
Results Released
11+ results released to parents
10 Oct 2026
CAF Deadline
National Common Application Form deadline (set by each local authority — usually 31 October).
31 Oct 2026
National Offer Day
National Offer Day. All secondary school offers are released today.
1 Mar 2027
73.7
Attainment 8
Average achievement across 8 qualifications
97%
English + Maths 5+
Grade 5 or above in both
99%
English + Maths 4+
Grade 4 or above in both
94%
EBacc Entry
Entered the English Baccalaureate suite
7.22
EBacc APS
Average points across EBacc subjects
A-
Avg A-Level Grade
Average grade achieved across all A-Level entries
Bar shows this school. Ticks mark the England state-funded average (grey) and the typical grammar-school average (indigo).
Grammar median computed from up to 163 grammars.
98%
continued to sixth form
% of pupils who stayed on after GCSEs
High retention is a positive sign — pupils choose to stay and the sixth form supports them through. Low retention can indicate weaker post-16 provision or curriculum mismatch.
DfE breakdown, 2024/25
Eng+Maths 9-5
EBacc entry
46.3avg points / entry
Average grade: A-
DfE doesn't publish the % at each grade band at school level — this is the school-wide average instead.
70%
Continued in education
HE + FE + other
68%
Higher Education
≈0pp vs grammar avg
59%
Russell Group
Cohort destination breakdown
Destinations trend
Strongest at
Mathematics
179 entries
100%
+1.7pp vs school
Biology
179 entries
100%
+1.7pp vs school
English Language
179 entries
100%
+1.7pp vs school
Watch list
Engineering
33 entries
88%
-10.4pp vs school
Music
23 entries
91%
-7.0pp vs school
Strongest at
Chemistry
57 entries
100%
+5.4pp vs school
Sociology
48 entries
100%
+5.4pp vs school
Physics
47 entries
100%
+5.4pp vs school
Watch list
Music
5 entries
0%
-94.6pp vs school
Spanish
10 entries
90%
-4.6pp vs school
Entry Requirements
Minimum 5 GCSEs at grade 6 or above including English and Mathematics. Specific subject requirements: grade 6 in subjects to be studied at A-level, grade 7 for Mathematics and Sciences.
Subjects Offered
Largest group: White British (63.0%)
England avg ≈ 24%
≈ 22 pts below the England average — proportion of pupils whose family qualifies for free school meals (a measure of catchment affluence).
England avg ≈ 18%
≈ 6 pts below the England average — proportion of pupils whose first language is not English.
Quality of Education
Outstanding
Behaviour & Attitudes
Outstanding
Personal Development
Outstanding
Leadership & Management
Outstanding
Sixth Form
Outstanding
Per-pupil funding
2025/26≈ £308 (-5%) below the English average
Most English state secondaries spend 75–80% of their budget on staff. Higher figures usually mean smaller class sizes; lower figures mean more spent on premises, supplies, or capital projects.
£4,073
Teaching Staff / pupil
£990
Educational Supplies / pupil
£333
Premises / pupil
Revenue reserve / pupil
£418
The school holds a surplus per pupil — money set aside that can absorb unexpected costs or fund future projects without affecting day-to-day teaching.
Total grant: £6,115,563 · 919 pupils funded
How the 2025/26 allocation broke down. Each stream is a signal about the school's intake — bigger deprivation / EAL / SEN top-ups indicate a school serving a more challenging cohort.
Basic entitlement
£5,360,548
Core per-pupil funding before any top-ups.
Pupil Premium
£20,425
Targeted funding for 19 disadvantaged pupils.
Deprivation top-up
£61,591
Aggregates FSM, FSM6 and IDACI deprivation bands.
EAL top-up
£21,641
English-as-additional-language premium — paid for pupils whose first language isn't English.
Prior attainment top-up
£20,122
Funding for pupils arriving below age-related expectations.
Notional SEN
£315,299
Earmarked SEN budget inside the schools block.
Lump sum
£148,638
Fixed per-school grant — size-independent.
Schools budget support grant
£56,527
Government pay-and-pension support grant.
National Insurance grant
£72,870
Compensation for the increase in employer NI contributions.
1,326 / 1,219(109%)
Subjects Offered
Entry Requirements
Minimum 5 GCSEs at grade 6 or above including English and Mathematics. Specific subject requirements: grade 6 in subjects to be studied at A-level, grade 7 for Mathematics and Sciences.
1:18.6
Staff:Pupil Ratio
100%
Qualified Teachers
3.13%
Absence Rate
4.69%
Persistent Absence
The school is set on a large site with extensive grounds including sports fields, tennis courts, and outdoor spaces. Main facilities include science laboratories, ICT suites, library, sports hall, drama studio, music rooms, art rooms, and design technology workshops.
Sports
Astroturf, sports hall, swimming pool
STEM
Science labs, IT suites, technology workshops
Arts
Drama theatre, music rooms, art studios
Library
Central library with extensive book collection, study spaces, computers for research, and quiet areas for independent study. Open during school hours and after school.
Capital Projects
Recent improvements include refurbishment of science laboratories, upgrading of ICT facilities, and improvements to sports facilities. Ongoing maintenance and development of school buildings and grounds.
Strong music department with orchestras, choirs, and regular concerts. Extensive sports program including rugby, hockey, athletics. Drama productions, Duke of Edinburgh Award scheme, Model United Nations, debating society, and various subject-specific clubs.
Sports
Music & Performing Arts
Clubs & Societies
Duke of Edinburgh
true
Trips & Exchanges
Annual residential trip to France, exchange with a school in Germany
Community Service
Students participate in charity fundraising events, local community projects, and volunteer work. The school supports various charities throughout the year and encourages students to contribute to the local community.
Uniform
Full school uniform required including blazer with school badge, white shirt, school tie, grey trousers/skirt, black shoes. PE kit includes polo shirt, shorts/tracksuit bottoms, trainers. Sixth form has smart casual dress code.
School Meals
School canteen provides hot and cold meals daily. Students can bring packed lunches. Cashless payment system in operation. Free school meals available for eligible students.
Homework Policy
Structured homework timetable with approximately 1.5-2 hours per night in Years 7-9, increasing to 2-3 hours in Years 10-11. Sixth form students expected to complete independent study equivalent to lesson time.
Behaviour Policy
The school has a clear behaviour policy emphasizing mutual respect, responsibility and high expectations. Students are expected to follow the school's values of respect, responsibility, resilience and excellence. The policy includes a system of rewards and sanctions, with serious breaches potentially leading to exclusion.
Mobile Phone Policy
Mobile phones must be switched off and kept out of sight during the school day. They may only be used before 8:30am, after 3:30pm, or with specific staff permission. Phones seen or heard during lessons will be confiscated.
SEND Provision
Schools are required to admit a child where the school is named in Section I of an Education, Health & Care Plan. The taking of the Buckinghamshire Secondary Transfer Test (STT) and obtaining of a qualifying score will be good evidence that the child is academically suited to the school.
Enter your postcode to see directions to Chesham
Dedicated school bus services available from surrounding areas including Amersham, Berkhamsted, Tring, and surrounding villages. Transport arranged through Buckinghamshire Council.
Nearest Station: Chesham (Metropolitan line)
Transport Info
School is located in Chesham, Buckinghamshire. Contact the school for detailed transport information.
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About Chesham
