Chesham Grammar School
11+ Admissions Guide 2026

How to get into Chesham Grammar School

Grammar SchoolBuckinghamshire, South East9 days until registration opens

Gender

Mixed

Exam Board

GL Assessment

Pupil-to-Teacher Ratio

18.6:1

Healthy

School Size

1,326 pupils

About Chesham Grammar School

Chesham Grammar School is a mixed selective school in Buckinghamshire where pupils thrive both academically and personally. The school's distinctive "vertical tutoring" system pairs younger students with older mentors, creating strong bonds across year groups and fostering a genuinely supportive community. Teachers here are ambitious for every pupil, providing a curriculum that goes well beyond examination requirements while developing students as confident, independent learners from the moment they arrive. With exceptional academic results, an impressive range of extracurricular activities, and sixth formers who take real pride in leading and supporting their peers, pupils leave well-prepared and aspirational about their futures.

Subjects Tested

MathsEnglishVerbal ReasoningNon-Verbal Reasoning

Ages & Pupils

1,326

Total pupils

Academic Performance

Attainment 8

74

Average GCSE score across 8 subjects

National average46.2

GCSE Grade 5+

96.7%

Achieving Grade 5+ in English & Maths

National average45.3%

School Profile

School Size
1,326 pupilsLarge
Pupil-to-Teacher Ratio
18.6:1Healthy
Consortium
Buckinghamshire

Student Demographics

2.1%

Free School Meals

12.3%

English as Additional Language

0.83%

EHCP

3.17%

SEN Support

Links

Nearby Schoolsclosest first