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The Parent's Guide

GL Assessment vs CEM:
The complete guide

Everything parents need to know about the two main 11+ exam formats — what they test, how they differ, and how to prepare your child for either.

What is the 11 Plus?

The 11 Plus is a selective entrance examination taken by children in Year 6, typically aged 10 or 11, to gain admission to a grammar school or other selective secondary school. It's most common in parts of England including Kent, Buckinghamshire, Hertfordshire, Essex, and various parts of the Midlands and North West.

Grammar schools are state-funded and free to attend, but entry is based solely on academic performance in the 11+ exam. This makes thorough preparation essential — children who practise regularly with past-paper-style questions consistently outperform those who don't.

Key fact

There is no single national 11+ exam. Each region, consortium or school chooses its own exam provider — either GL Assessment, CEM, or a school-set paper. This means preparation must be tailored to your child's specific target school.

GL Assessment explained

GL Assessment (Granada Learning) is the most widely used 11+ provider. It produces separate papers for each subject, each independently timed. A child sitting GL exams might complete four separate papers across one or two exam sessions.

Structure
Separate paper per subject — VR, NVR, Maths and English each tested independently
Timing
Each paper typically 20–50 minutes, multiple choice throughout
Style
Questions follow predictable, well-documented patterns — excellent for structured preparation
Scoring
Standardised scores (typically 69–140) adjusted for age — not raw marks
Regions using GL Assessment:

Kent, Buckinghamshire, Hertfordshire, Essex, Trafford, Wirral, Lancashire, Sutton (SET), Redbridge, Warwickshire, Birmingham (most schools), Lincolnshire and more.

CEM explained

CEM (Centre for Evaluation and Monitoring, part of Durham University) takes a different approach. Rather than separate subject papers, CEM combines subjects into mixed papers and deliberately varies question formats to reduce the effectiveness of "hothousing" — intensive drilling of question types.

Structure
Mixed-subject papers — Maths and verbal skills may appear in the same timed section
Timing
Very fast-paced — fewer seconds per question than GL. Speed is critical.
Style
More varied and less predictable. Vocabulary and reading speed heavily tested.
Scoring
Standardised scores, but specific mark schemes not published — more opaque than GL
Regions using CEM:

Bexley, Gloucestershire, Dorset, some Birmingham schools, and a small number of individual grammar schools across England.

How to prepare for each format

Preparing for GL Assessment

Learn all 21 Verbal Reasoning question types systematically
Work through each NVR type until the pattern is automatic
Build Maths fluency to KS2+ level — speed matters
Read widely to strengthen comprehension vocabulary
Practice timed papers from Year 5 onwards
Focus on accuracy first, then speed

Preparing for CEM

Build a wide vocabulary — CEM tests words more broadly
Practise mixed-subject papers to handle subject switching
Work on speed — CEM rewards fast, accurate children
Don't rely on question-type drilling — adapt quickly
Read extensively — novels, non-fiction, newspapers
Practice mental arithmetic for fast numerical reasoning

Key dates & exam calendar

Region / ConsortiumExam MonthFormatResults
Kent TestSeptember Year 6GLOctober
Buckinghamshire (TBGS)September Year 6GLOctober
HertfordshireSeptember Year 6GLOctober
Essex (CSSE)September Year 6GLOctober/November
London Sutton (SET)September Year 6GLOctober
London BexleyOctober Year 6CEMNovember
TraffordSeptember Year 6GLOctober
GloucestershireSeptember Year 6CEMOctober
West MidlandsSeptember Year 6GLOctober

* Dates are approximate and may vary by year. Always confirm with your target school's admissions page.

Frequently asked questions

How do I know if my child's school uses GL or CEM?

Check the school's admissions page or the consortium page for your region. Our Regions page has a breakdown of every major area in England with the format listed.

Can my child practise both GL and CEM?

Yes — and it's a good idea if you're applying to schools in different consortiums. Our papers include both GL-style and CEM-style questions, clearly labelled.

Is CEM harder than GL?

Not necessarily harder, but many children find CEM trickier because it mixes subjects within a single paper and moves faster. GL tends to be more predictable in format. Neither is 'harder' — they require different preparation strategies.

What year should my child start preparing?

Most families start in Year 4 or early Year 5, giving 12–18 months of gentle practice before intensive preparation in Year 6 summer. Starting in Year 6 alone is possible but tight.

Do I need to buy separate GL and CEM papers?

Our All Subjects Bundle includes papers in both formats. Single subject packs include GL-format papers by default.

What score does my child need to pass?

It varies by school and year. Grammar schools don't publish fixed pass marks — they offer places to the highest-scoring children up to their capacity. Standardised scores vary by year group difficulty.

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