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How catchment areas really work

Why most schools do not have a catchment area at all, what last distance offered actually means, and the mistakes that cost families a place.

7 minute read · Reviewed August 2026

“Catchment area” is the most used and least accurate phrase in school admissions. It suggests a line on a map, inside which you are entitled to a place. For most schools in England, no such line exists.

Oversubscription criteria, not catchments

Every school publishes admission arrangements setting out what happens when more people apply than there are places. That ordered list — the oversubscription criteria — is what actually decides who gets in. A typical order runs something like:

  • Children in care and those who were previously in care. This is a legal requirement and always comes first.
  • Children with an exceptional medical or social need for that particular school, evidenced professionally.
  • Siblings of children already at the school.
  • Faith criteria, at schools with a religious character, often with several tiers of attendance.
  • Distance from the school, closest first, as the final tie-break.

Distance is usually the last criterion rather than the first. Living close by does not help if the places have already gone to siblings and looked-after children.

Some schools genuinely do have a defined geographical area, sometimes called a priority area or designated area, and applicants inside it are ranked above those outside. But that is a feature of that school’s arrangements, not a general rule. Read the arrangements for the specific school and year you are applying for.

What “last distance offered” means

Authorities usually publish, for each oversubscribed school, how far away the last child admitted lived. This is the single most useful number in admissions, and it is routinely misunderstood.

It is a record of what happened one year, not a boundary and not a promise. It moves, sometimes considerably, because it depends on how many siblings applied, how many families moved into the area, and how the local birth rate landed eighteen years ago.

Look at three or four years rather than one. A school whose last distance has run 0.9, 1.1 and 0.8 miles tells you something fairly stable. One that has run 1.4, 0.6 and 1.2 tells you the year matters more than your address does.

Check how the authority measures distance, too. Straight line from a point on your home to a point on the school site is common, but some use walking routes, and the difference across a river or a railway line can be large.

The mistakes that cost places

  • Naming only one school. You can usually name three to six preferences. Listing one does not signal commitment; it means that if you miss it, you are allocated wherever there is space, which may be a long way off. There is no penalty for naming several, because schools cannot see where they were ranked.
  • Assuming an attached nursery gives priority. Usually it does not. Nursery and Reception are separate admissions, and attending one rarely helps with the other unless the arrangements explicitly say so.
  • Assuming a feeder primary guarantees the secondary. Some secondaries name feeder schools in their criteria and many do not.
  • Moving house late. Authorities apply the address you are living at on a specified date, and they check. A tenancy taken out to secure a place, with the family returning afterwards, is fraud and places are withdrawn for it every year.
  • Missing the faith evidence deadline. Faith schools usually need a supplementary form and clergy confirmation, often earlier than the main deadline, and missing it drops you to a lower criterion.

Waiting lists are worth more than people think

Waiting lists must be ranked by the same oversubscription criteria, not by when you joined. Joining late does not put you at the back — your position depends on how you score against the criteria, so someone joining in July can go straight above a family who joined in March.

Lists move over the summer as families accept places elsewhere or move away. Being fourth on a list at a popular school in April is a real prospect, not a consolation prize. Stay on it even while appealing.

What this means when you are house hunting

Be careful about paying a premium for an address near a particular school. The last distance offered can move against you between viewing and applying; the school’s arrangements can change; and a sibling bulge in one year can shrink the effective distance sharply. Nothing about an address guarantees a place at a school in England.

Look at several schools within reach rather than one, and treat proximity as improving your odds rather than settling them. Searching from your postcode here shows everything within a radius with its distance, which is a better starting point than a single target.

Admission arrangements are set by each school or local authority and change year to year. Always confirm the criteria and deadlines with the school or your local authority before applying — Admissions deadlines covers the dates for the main rounds.