Slough Consortium grammar schools

The Slough Consortium of Grammar Schools is the fourth out-of-area route covered on this site, and geographically the closest — Slough sits directly west of Hillingdon, adjacent to the M4/M25 interchange, considerably nearer to Ruislip/Eastcote/Pinner than most of Buckinghamshire. Four grammar schools — Herschel, Langley, St Bernard's Catholic and Upton Court — share a single 11+ entrance examination and a single registration process, though each school then applies its own, quite different, oversubscription criteria.

This page covers admissions for entry in September 2027 (the 11+ test is sat in September 2026), verified against each school's own determined admissions arrangements, the Consortium's own Guide to the 11+ and Key Dates documents, and the April 2026 parents' briefing Q&A.

How the Slough Consortium system works

Unlike Buckinghamshire's single countywide test, the Slough Consortium's 11+ is genuinely shared infrastructure: you register your child once, they sit one exam, and the result is then usable for consideration at any or all of the four schools you choose to name on your Common Application Form (CAF). Registering is explicitly not an application to any particular school — it only secures a test place.

The exam itself is provided by GL Assessment (a 2024 change from the previous provider) and consists of two papers, each around 60–65 minutes, covering a mix of verbal, non-verbal and mathematical reasoning, all multiple-choice and machine-marked. A standardised score of 111 or above makes a child "eligible for consideration" — this is a fixed threshold representing roughly the top 35% of the cohort, not a ranked score, and scoring well above 111 does not itself improve a child's chances at an oversubscribed school. Once eligible, it's each school's own oversubscription criteria — not the raw 11+ score — that actually decides who gets an offer.

You do not need to live in Slough, or anywhere near it, to register or to sit the test — the Consortium is explicit that out-of-area families (they specifically mention Reading as an example) are welcome to register directly through the Consortium portal.

Key dates for September 2027 entry

Children are eligible to register if born between 1 September 2015 and 31 August 2016 (the standard Year 6 cohort). A recent digital photograph of the child is required to complete registration.

The four Slough grammar schools

All four have a Published Admission Number (PAN) fixed for 2027 entry and use the same 111 eligibility threshold — but their oversubscription criteria, once a child is eligible, are genuinely different from one another. This matters more here than at most consortia, because it decides which school is actually realistic for a family outside Slough.

Langley Grammar School: the one with a named Harrow priority area

Langley is the standout for HA4/HA5 families, in the same way Watford Grammar Boys/Girls stand out in the SW Herts Consortium. Langley's determined admissions arrangements define three Priority Admission Areas by postcode, and Priority Area 3 explicitly names HA1, HA2, HA3, HA4, HA5 and HA6 — all of Harrow, including Ruislip/Eastcote/Pinner's HA4/HA5.

The three areas, in order of priority once Looked After Children, Pupil Premium-in-Area-2, staff children and EHCP places are accounted for:

• Priority Area 1 (Inner) — SL3 7, SL3 8, SL3 9, SL3 0. Up to 120 of the 180 places, allocated by 11+ rank order (Pupil Premium children in this area get first call within it).
• Priority Area 2 (Outer) — SL0, SL1, SL2, SL3 (outside Area 1), SL4, TW18–20, UB3/4/7/8/10.
• Priority Area 3 (General) — SL5–9, TW3/4/5/7/13/14/15, UB1/2/5/6/9, HA1, HA2, HA3, HA4, HA5, HA6, W5/7/13, RG12/42. Places here go by 11+ rank order, with Pupil Premium children prioritised first within the area if under-subscribed relative to places.
• Only after all three areas are exhausted are places offered to applicants living outside them entirely, again by rank order.

The school's own guidance is candid that Priority Area 1 alone typically accounts for almost all offers — up to 120 of the 180 places sit inside SL3's inner postcodes, and the school states plainly that applicants living outside the three Priority Areas altogether have no realistic chance. A HA4/HA5 address sits in Area 3 — technically in scope, but competing for whatever remains after Areas 1 and 2 are filled, on pure 11+ rank order with no distance tie-break advantage over anyone else in that same broad area.

Herschel Grammar School: a tight 4-mile catchment centred on Slough

Herschel's catchment is defined as a straight-line, GIS-measured 4 miles from the child's front door to the school's main gate on Northampton Avenue, SL1 3BW. After Looked After Children, that 4-mile catchment fills the great majority of the 150 places (in the most recent published allocation round, catchment places were filled down to a rank score of 116, with only a small remainder — up to 10 places — reserved for Pupil Premium children within 10 miles). HA4/HA5 sits roughly 9–10 miles from Slough town centre — outside Herschel's catchment and outside its 10-mile Pupil Premium radius for most Ruislip/Eastcote/Pinner addresses, so this is the least realistic of the four for a Harrow family without a genuine change of address.

St Bernard's Catholic Grammar School: faith-based, not distance-based

St Bernard's oversubscription criteria run primarily on faith practice rather than geography: Looked After Children first, then practising baptised Catholic children with a priest's reference, descending through several further Catholic and Christian categories, down to children of other faiths with a religious leader's reference in the lowest category. A supplementary form (beyond the CAF) is required by 31 October to be considered under these criteria at all. No HA postcodes, or any postcode-based priority area, appear anywhere in its published criteria — distance only becomes relevant as a final tie-breaker between two children in the same category, and in the most recent allocation round the school's lowest faith category was still capped by a distance of just under 8.8 miles, which is tighter than most HA4/HA5 addresses would fall within.

Upton Court Grammar School: no catchment area, but a steep 11+ rank-order bar

Upton Court is the one genuine wildcard. Its determined admissions arrangements — adopted by Pioneer Educational Trust — set out a strict order with no catchment area or priority postcodes at all: EHCP places, then Looked After Children, then up to 20 Pupil Premium places (by 11+ rank order, then distance if oversubscribed), then children of staff, then children from its two named feeder schools (Foxborough Primary and Trevelyan Middle School), then up to 120 places by straight 11+ rank order, and only the small remainder by proximity.

In practice this means a HA4/HA5 child is competing on the same footing as anyone else in England for the rank-order tranche — geography genuinely doesn't gate you out. The trade-off is that the bar is high: in the most recent published allocation round, rank-order places went down to a score of 121 with successful applicants living as far as 14.4 miles away, and only the final distance-only tranche was capped tightly (within 1.4 miles). A strong 11+ score is the only route in from outside Slough — there is no address-based shortcut here the way there is (in a limited sense) at Langley.

2025 entry: actual cut-offs, read with caution

The Consortium publishes, for transparency, how each school's most recent allocation round actually landed. These are outcomes, not guaranteed thresholds — the number of applicants and their scores vary every year, so a score or distance that worked in a past year is not a promise for the next one.

Registering and applying: the practical sequence

The process is genuinely one registration and one test for all four schools, but the application step still runs through your own local authority, not Slough's:

• Register once, in May/June 2026, via the Consortium's Applicaa portal — this only books a test place and is not an expression of preference for any school.
• Sit one exam on 19 September 2026, at whichever of the four schools you're allocated as a test centre (you can express a preference, not a guarantee).
• Results arrive mid-October 2026, in time to inform your Common Application Form choices.
• Apply via your home local authority's CAF (Hillingdon or Harrow, not Slough) by 31 October 2026, naming any state schools you want considered — in genuine order of preference, grammar schools placed above non-selective ones if that's your real priority. Slough Borough Council then coordinates allocation using each school's own criteria.
• St Bernard's requires an additional Supplementary Form by the same 31 October deadline if you want to be considered under its faith-based criteria — the CAF alone isn't enough for that school.
• There is no facility to compare or share scores with other consortia — the Slough test result is not transferable to Reading's Kendrick/Reading School tests, Buckinghamshire's STT, or the SW Herts Academic Ability Test, and vice versa. Registering for more than one system in the same autumn means genuinely sitting multiple separate exams.