Apply to Westcliff High School for Boys, in plain English.
WHSB is a selective boys' grammar on Kenilworth Gardens in Westcliff-on-Sea that admits 185 boys a year through the shared CSSE 11+ — the one test used by the Consortium of Selective Schools in Essex. More than 1,000 boys apply for those 185 places: all must reach the pass mark, then places go in rank order of score — but where you live matters, because up to 80% of the places are reserved for boys living in the school's SS0–SS9 catchment area. Register with the CSSE by 19 June 2026 — separately from, and months before, the October council application.
The three things to know first.
If you read nothing else on this page, read these. They're the bits that catch parents out.
You register for the CSSE 11+ directly with the consortium — by 19 June 2026.
WHSB does not run its own test. It uses the CSSE 11+, the single test shared by the Essex selective schools, sat as two papers — English and Maths — and age-standardised. You register through the CSSE website; registration opens 12 May 2026 and closes on 19 June 2026. The test is normally a Saturday in mid-September (19 September 2026). Registering for the test is separate from naming WHSB on your council form — you must do both, and miss the registration and there is no route to a 2027 place.
Where you live decides most of it — up to 80% of places are reserved for the catchment.
Passing the test only gets your son into the ranking. A local quota of up to 80% of the 185 places (148) is reserved for boys whose home is in the school's catchment — postcode districts SS0 to SS9 (Southend-on-Sea, Westcliff, Leigh, Rochford, Rayleigh, Benfleet and Canvey Island) — allocated to the highest scorers among them. Only the remaining ~37 places go to boys from outside the area. Living inside the catchment is the single biggest factor after the test itself.
Pupil Premium and Free School Meal boys get 'preferential consideration'.
Within both the catchment and out-of-area pools, up to 10% of the places are ring-fenced for boys entitled to 'preferential consideration' — those in receipt of Free School Meals or the Pupil Premium (which includes children of serving Armed Forces personnel). You must declare it on the CSSE Supplementary Information Form when you register — it can't be added later, and evidence is required.
Four steps — the first deadline is summer, not October.
Registering for the CSSE 11+ (step 1) closes on 19 June 2026 — months before the CAF deadline that catches most families out. Registering for the test is not the same as naming WHSB on your council application; you must do both.
If more boys pass than there are places, this order decides.
Boys with an EHCP naming WHSB are admitted first, within the 185. Everyone else must reach the pass mark in the CSSE test; qualifying boys are then ranked by standardised score and placed in the order below. Tap any criterion to see the exact wording.
In plain English: A boy whose Education, Health and Care Plan names WHSB, and who passes the test, must be admitted before the oversubscription criteria are applied. These places come out of the 185.
What the document says: Any child who passes the selection tests and who has an EHCP that names this School will be admitted prior to the allocation of places to other applicants, and the number of places available to other children within the PAN for Year 7 will be reduced.
In plain English: A boy who is in local-authority care, or who left care through adoption or a special guardianship order, is the first priority category once he has passed the test — ahead of the catchment quota.
What the document says: The school determines admission in the order of priority set out below: i) Looked after children and previously looked after children (note B) who have passed the selection tests.
In plain English: Within the catchment quota, the first slice of places — up to 10% (15 of 148) — is reserved for the highest-scoring in-area boys entitled to 'preferential consideration': those on Free School Meals or in receipt of the Pupil Premium (which the policy defines to include children of serving Armed Forces personnel). You must declare it on the CSSE Supplementary Information Form when you register.
What the document says: Up to 10% of this quota (15 out of 148) is designated for other children from within the catchment area who are entitled to 'preferential consideration' (note A). … 'Preferential consideration' is available to children … in receipt of Free School Meals, or identified as recipients of the Pupil Premium Grant, at the time of test registration.
In plain English: The bulk of places — a local quota of up to 80% of the PAN (148) — go to boys whose home is in postcode districts SS0 to SS9, with the highest scorers offered first until the quota is full. This is the criterion most local parents are competing under.
What the document says: Children whose normal/habitual place of residence … lies within the catchment area postcode areas SS0, SS1, SS2, SS3, SS4, SS5, SS6, SS7, SS8 and SS9 … A local quota of up to 80% of the Published Admissions Number (PAN) is reserved at this School for children in this category (148). … the remaining places within the quota are allocated, in rank order of marks, to any applicants from within the priority area who have exceeded the pass mark.
In plain English: The same 'preferential consideration' priority applies to the out-of-area places: up to 10% of the places left after the catchment quota (4 of about 37) are reserved for the highest-scoring out-of-area boys on Free School Meals or the Pupil Premium.
What the document says: Up to 10% of the places remaining after the full local quota has been deducted from the PAN (4 out of 37), is designated for other children from outside the catchment area who are entitled to 'preferential consideration' (note A).
In plain English: Once the catchment quota is filled, the places left over (about 37) go to the highest-scoring boys living outside SS0–SS9, regardless of where they live. For a boy outside the catchment, this is the main route — and it takes a high score.
What the document says: All remaining places are allocated, in rank order of marks, to any applicants from outside the catchment area who have exceeded the pass mark: candidates who score higher marks will be allocated places before those who pass at a lower level. Places will be offered until the total PAN has been reached.
A postcode boundary — it reserves up to 148 of the 185 places.
WHSB's catchment is not a radius but a list of postcode districts: SS0 to SS9 — Westcliff-on-Sea, Southend, Leigh, Shoeburyness, Rochford, Hockley, Rayleigh, Benfleet and Canvey Island. It is not a tiebreaker — it is the gate for up to 80% of the places. A local quota of 148 of the 185 places is reserved for boys whose home address falls in those postcodes, offered to the highest scorers among them; only the ~37 places left over are open to top scorers from outside the area. Score sets your son's rank, but living inside the catchment is what puts him in the running for the bulk of the places.
Distance only breaks a final tie: where boys have identical standardised scores competing for the last place, priority goes first to those entitled to 'preferential consideration', and then to whoever lives nearer the school by straight-line measurement from the front door to the nearest pupil entrance. A boy living closer but outside the SS0–SS9 catchment is still behind every in-catchment boy.
See the catchment on the GrammarBound mapInside SS0–SS9: in the race. Outside: a high score only.
Boy A lives in Leigh-on-Sea (SS9), inside the catchment, so his score puts him straight into the running for the 148 reserved places. Boy B lives in Basildon, outside SS0–SS9: even with a higher score he competes only for the ~37 open places left after the catchment quota is filled. Distance never moves an out-of-area boy ahead of an in-catchment boy.
You have two routes, and you can use both.
Waiting list
A boy who sat the test but isn't offered a place is held on a waiting list, ranked by test result within each category, until 31 December of the entry year. When a place comes free, it goes to the next boy in the same category — an in-catchment vacancy to the next catchment boy, an open vacancy to the next out-of-area boy — not first-come-first-served. After 1 January, admission follows the school's in-year arrangements.
A move into the SS0–SS9 catchment after the closing date is taken into account on the waiting list, with documentary evidence of the new permanent address.
Appeal
You have a statutory right of appeal against the decision not to offer a place, exercisable once places have been offered (normally after National Offer Day). Appeals are lodged directly with the school and heard by an Independent Appeal Panel, which is independent of the school and whose decision binds both sides; appealing does not affect your son's waiting-list position.
Joining Year 12 at WHSB.
WHSB admits external students into its Sixth Form — and at this stage it is open to boys and girls, not just boys. The catchment area does not apply: Sixth Form entry is decided purely on GCSE results. External applicants apply directly to the school, not through the council.
The grade floor.
Applicants are expected to obtain at least 52 points across their best 8 GCSEs (each 9–1 grade scored on its number — a grade 9 is worth 9 points, a grade 8 worth 8, and so on), and to achieve a minimum of grade 5 in GCSE English and Mathematics. Certain A-level subjects then carry their own higher GCSE grade requirement in that subject, set out on the school's website.
Apply direct to the school.
Sixth-form applications go straight to WHSB through the online form on the school website. The Lower Sixth has a planned admission number of 200, with around 50 external students admitted for the first time each year; where there are more qualified candidates than places, selection is by rank order of predicted GCSE points and subject combination. See the WHSB website for the current form and subject requirements.