Catchment areas are one of the most misunderstood parts of the 11+ process. Many families assume living nearby guarantees a place — or that living far away rules one out. Neither is true. Here is exactly how it works.
Studoo
••14 min read
Quick answer
A grammar school catchment area is a defined geographic boundary within which applicants receive priority for a place — but only after passing the 11+ test. Living inside the catchment does not guarantee admission; it simply gives your child priority over equally qualified out-of-catchment applicants when the school is oversubscribed. Some grammar schools have no catchment area at all (called "super-selective" schools) and rank applicants solely by their 11+ score.
If you are preparing a child for the 11+, understanding catchment areas is not optional — it can be the difference between getting a preferred school and being waitlisted despite a strong exam score. Yet admissions policies vary significantly between schools, local authorities, and regions, and the language used in school prospectuses is often far from clear.
This guide explains the rules that govern catchment areas across England, how priority order is determined, how distance is measured, what the major regional systems look like, and what your options are if you live outside a catchment.
163
state grammar schools remain in England (DfE, 2024)
36
local authority areas contain at least one grammar school
~5.8%
of secondary pupils in England attend a grammar school (DfE, 2023)
What is a grammar school catchment area?
In UK secondary admissions, a catchment area (also called a "priority area," "designated area," or "home area" depending on the school) is a geographic zone defined by a school's admissions authority. Children who live within this zone are given higher priority than those outside it — subject to the other criteria in the admissions policy being met first.
For grammar schools specifically, catchment areas work differently from comprehensive secondaries. The critical difference is the two-stage gateway:
Stage 1 — Qualifying score: A child must pass the 11+ and achieve the school's qualifying score. No amount of proximity bypasses this requirement.
Stage 2 — Priority order: Among children who have passed, the school applies its published admissions criteria in order. Catchment residency is typically one criterion — but applied after certain higher-priority categories.
It is entirely possible for a child who lives two miles from a grammar school to receive an offer, while a child who lives 400 metres away does not — if the latter scored below the qualifying threshold. The 11+ result is the essential first filter.
Legal basis
Grammar school catchment areas are defined and regulated by the School Admissions Code 2021 (Department for Education), which requires all admissions authorities to publish their oversubscription criteria in order of priority each year. The Code has legal force under the School Standards and Framework Act 1998 and the Education Act 1996, which governs selective admissions.
The rules: how admissions priority order works
When a grammar school is oversubscribed — more children pass the 11+ and apply than there are places — the school works through its published oversubscription criteria in strict order. A typical hierarchy looks like this:
1
Looked-after children (LAC) and children with an EHCP naming the school
Legally required to be admitted first under the School Admissions Code. This includes children in local authority care and children whose Education, Health and Care Plan specifically names the school. This is non-negotiable across all school types.
2
Siblings of children currently at the school (usually within catchment)
Most grammar schools give priority to children who have a sibling currently enrolled. Many — though not all — require that the sibling criterion applies only to applicants within the catchment area. Check the specific school's policy: sibling definitions also vary (some include step-siblings and adopted siblings; some require the same home address).
3
Catchment area applicants who have passed the 11+
Children who live within the defined catchment boundary and have achieved the qualifying score. This is typically the largest priority group and where most year-group places are filled. If oversubscribed within this category, the school applies a distance tiebreaker.
4
Out-of-catchment applicants who have passed the 11+
Children living outside the catchment who have achieved the qualifying score. Many grammar schools still admit significant numbers of out-of-catchment pupils — particularly when the catchment area is small or when the school is the only selective school in the region. Distance tiebreakers apply here too.
5
Distance tiebreaker (within each category)
When two children are equally matched within any priority category, distance from home to school is used to decide who is offered a place. Most schools measure in a straight line (as the crow flies) from the applicant's home address to the school's main entrance — but some use the shortest safe walking route.
Important
Every grammar school publishes its own admissions policy. The order above is the most common pattern, but schools can add, remove, or reorder criteria within the limits set by the Admissions Code. Always read the specific school's policy for the year of entry — published annually on the school's website and on the relevant local authority's admissions portal. Do not rely on previous years' policies, as catchment boundaries and criteria can change.
How grammar school catchment admissions work
The infographic below shows the full priority ladder alongside the two main types of grammar school selection model used in England.
Types of grammar school: catchment-based vs super-selective
England's grammar schools do not operate a single unified admissions model. There are broadly two approaches — with many schools operating a hybrid of the two.
Catchment-based grammar schools
These schools define a specific geographic zone and give priority to applicants within it who pass the 11+. The catchment may be drawn around a town, a set of postcodes, a local authority boundary, or a specified radius. These are most common in Kent, Buckinghamshire, Lincolnshire, and Trafford.
Living inside the catchment does not guarantee a place, but it is a significant advantage when the school is oversubscribed. Equally, living outside the catchment does not prevent an application — children outside who pass can and do receive offers when places remain after catchment-priority applicants have been allocated.
Super-selective grammar schools
Super-selective schools have no defined catchment area. They rank all applicants who pass the qualifying score by their 11+ score, offering places to the highest-scoring candidates regardless of where they live. These are concentrated in London (notably Sutton, Kingston, and Barnet) and a small number of other areas. For these schools, the 11+ score is the only thing that matters — a child living 20 miles away and scoring 135 will be preferred over a child living next door who scores 124.
Hybrid models
Many grammar schools combine elements of both: they may offer a proportion of places to in-catchment applicants who pass, and a proportion to the highest-scoring applicants from any area. This is common in areas with multiple grammar schools serving different parts of a county or borough.
Key point
Because models vary so significantly, the single most important step any family can take is to read the specific admissions policy of each school you are considering — not just for the current year but for the year of entry (policies can change annually). These are published on each school's website and on local authority admissions pages.
Regional variations: how different areas work
England's selective education landscape is highly localised. The rules that apply in Kent are very different from those in London, and within counties individual schools can have their own nuances.
Region / area
No. of grammars
Selection model
Key features
Kent
33
Catchment-based
County-wide 11+ (Kent Test). Schools define their own catchment zones — typically local districts. In-county applicants prioritised over out-of-county. Waiting lists common in competitive areas (e.g. Tonbridge, Sevenoaks).
Buckinghamshire
13
Catchment-based
County-wide Bucks Test. Schools prioritise within-county applicants. Some schools also give priority to applicants from specific partner primary schools or parishes.
Lincolnshire
15
Catchment-based
Largely selective in certain areas (e.g. Sleaford, Louth). Schools define local catchment zones; priority to applicants within the relevant town or district.
Trafford (Gtr Manchester)
5
Catchment-based
Each Trafford grammar school defines its own catchment. Priority to Trafford residents who pass. Some schools use explicit borough boundaries as their catchment definition.
Sutton / Kingston (London)
6
Super-selective
No defined catchment. Score-ranked nationally. Includes highly competitive schools (Nonsuch, Wallington County Grammar, Wilson's, Tiffin, Tiffin Girls). Applications from across London and beyond.
Barnet / Enfield (London)
4
Mixed / selective
Various models. Some prioritise by borough; others are open-entry by score. Check individual school policies carefully.
Slough / Reading (Berks)
5
Mixed
Schools typically prioritise applicants resident in the local authority area, then use score/distance within that group.
Gloucestershire
5
Catchment-based
Selective schools concentrated in Gloucester and Cheltenham. Catchment tied to specific local authority boundary areas and distance from school.
Birmingham / West Midlands
4
Mixed
Small number of selective schools with their own catchment definitions. Very high competition; super-selective elements in some schools.
Research note
The Education Policy Institute's 2023 analysis found that grammar schools serve significantly higher proportions of pupils from higher socioeconomic groups than the general school population, and that geographical proximity (and therefore catchment area residency) partially drives this pattern in high-demand areas, as housing prices within catchment zones of popular grammar schools tend to be elevated. Families should be aware of this dynamic when researching areas.
How distance is measured — and why it matters
When a grammar school is oversubscribed within a priority category, distance from home to school is the tiebreaker. A difference of a few hundred metres can determine whether a child receives an offer.
Most common
Straight-line distance ("as the crow flies")
Distance is measured in a straight line from the registered home address to the school's main entrance (or a defined grid reference). Roads and footpaths are ignored. Measured using Ordnance Survey coordinates; even a few metres can matter in oversubscribed tiers.
Less common
Shortest safe walking route
Some schools and local authorities measure the shortest walking route using public roads and footpaths. This can produce very different outcomes from straight-line measurement — particularly near rivers, railways, or other barriers. If disputed, parents can request the raw calculation.
What counts as the "home address"?
The address must be where the child normally lives and sleeps during the school week.
For split living arrangements, the address of the parent with primary care is typically used — but some schools ask for evidence and may use the Child Benefit address as the reference point.
Using a temporary address (e.g. a grandparent's property closer to the school) to gain catchment advantage can constitute fraud. Schools can withdraw offers if they believe the address has been misrepresented.
If a family moves after the application deadline, the school will use the address given at application for initial allocation, but may recalculate if a move occurs before places are confirmed.
Address fraud warning
Local authorities and schools actively investigate suspicious address changes close to application deadlines. If a fraudulent address is discovered, the offer can be withdrawn — even after the child has started at the school. Always use your genuine home address.
What if you live outside the catchment area?
Being outside a grammar school's catchment area is not a barrier to application — but it changes the risk profile significantly.
You can — and should — still apply
Out-of-catchment applicants who pass the 11+ are eligible for places once higher-priority groups have been allocated. In many schools, especially those with a large catchment or a smaller intake year, out-of-catchment applicants regularly receive offers.
Look at historical admissions data
Every admissions authority must publish admissions statistics annually. For each grammar school, look for the furthest distance offered to an in-catchment applicant and whether any out-of-catchment offers were made. The "last distance offered" figure is the most reliable indicator of whether out-of-catchment applicants have a realistic chance.
Apply to multiple schools
Parents can list up to six schools on the Common Application Form (CAF) through their local authority. Include a mix of catchment-priority grammars, wider-catchment or super-selective schools, and a strong comprehensive backup. Listing a school does not affect your chances at any other school.
Consider schools in adjacent authorities
You can apply to any grammar school in England, not only those in your local authority area. Transport and waiting-list processing may differ for out-of-authority applicants; some schools explicitly deprioritise out-of-authority applicants — others do not.
Practical tip
Use school performance and admissions data alongside each school's published policy and historical "furthest distance admitted" figures to build a realistic picture of your child's chances — before investing in preparation time and registration fees.
The grammar school appeals process
If your child is not offered a place, you have the right to appeal to an independent appeal panel. Grammar school appeals have additional legal requirements compared with comprehensive schools.
1
Request your child's test result and feedback
Before deciding whether to appeal, obtain your child's full 11+ result including raw and standardised scores. Check whether the test provider has a request-for-review procedure. Errors in marking are rare but do occur.
2
Understand the grounds for grammar school appeal
You must typically argue one of: (a) procedural error in processing your application; (b) the decision was unreasonable in light of the evidence; or (c) your child's score, if below threshold, does not accurately reflect ability (e.g. illness on test day, SEND, or administration errors).
3
Submit your appeal within the deadline
Grammar school appeals must be submitted within 20 school days of the offer day notification. The panel must hear the case within 40 school days. Missing this deadline can forfeit your right to appeal for the current year.
4
Prepare a clear, evidence-based case
Successful grammar appeals are harder to win than those for comprehensives, because the panel must also consider whether the child is suitable for selective education. Gather school reports, teacher statements, medical information, examples of work, and CAT results if available.
5
Register for waiting lists in parallel
Pursuing an appeal does not remove you from a waiting list. Register at the same time — places can come available as families move or accept other offers. Waiting list position is usually determined by the same priority criteria as the original process.
Appeal success rates
Grammar school appeals are lower-success than appeals for standard secondary schools. However, a well-prepared case arguing procedural error or compelling evidence of ability is more likely to succeed than an appeal arguing simply that the child "deserves" a place. See: School Admission Appeals Code 2022 (DfE).
Catchment area is a priority criterion — not a guarantee. The 11+ score is still the first and essential gateway. Understanding both together is what gives families the clearest picture of their options.
— Synthesised from School Admissions Code 2021 (DfE) and local authority admissions guidance
Practical checklist for families
Summary of the most important actions when researching grammar school catchment areas and admissions.
Identify your catchment status
Look up the exact catchment boundary for each school — do not assume. Boundaries are in the admissions policy and can often be checked via postcode lookup on the local authority website.
Check registration deadlines
The 11+ test registration deadline (often July or September of Year 5) is separate from the secondary application deadline (typically 31 October, Year 6). Missing test registration means no grammar consideration.
Read historical admissions data
Look up last year's furthest distance admitted for in-catchment and out-of-catchment categories — the most reliable indicator of how competitive intake was.
Apply to multiple schools
List up to six schools on your CAF — include grammars at different competitiveness levels plus a strong comprehensive. An all-grammar list is high-risk if every preference is oversubscribed.
Understand qualifying score vs pass mark
Some schools publish a simple pass/fail threshold. Others rank by standardised score with no fixed pass mark, so the effective threshold shifts year on year. Clarify which model applies.
Start preparation early and track progress
Target the right test format — GL Assessment, CEM, or school-specific papers — from the outset. Timed, exam-style practice builds the confidence and stamina admissions assume you already have.
Research and official sources
Links point to government, institutional, or peer-reviewed sources.
Source 1 — Admissions Code
Department for Education (2021). School Admissions Code. Statutory guidance for admissions authorities.
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Summary
Catchment gives priority, not a place. Pass the 11+ first, then read each school's published criteria, check historical distance data, apply widely on the CAF, and prepare for the test format your target schools actually use.
