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11+ prep · Slough

Slough 11+ explained

Slough's four grammar schools — Herschel, Langley, St Bernard's, and Upton Court — share a single CEM-style entrance test sat in September of Year 6. The corridor is highly competitive thanks to applicants from Slough itself, West London, and South Bucks.

Quick reference

Test name
Slough Consortium 11+
Test provider
CEM (Centre for Evaluation and Monitoring) — now part of GL Assessment
Sat in
September of Year 6
Subjects tested
English · Maths · Verbal Reasoning · Non-Verbal Reasoning
Number of grammars
4 (Herschel · Langley · St Bernard's · Upton Court)
Average tutor rate
£35 – £55 / hour

The Slough grammar schools

Slough has four state grammar schools, all part of the Slough Consortium:

  • Herschel Grammar School — co-educational; one of the best-performing grammars in the country.
  • Langley Grammar School — co-educational; consistently strong.
  • St Bernard's Catholic Grammar School — girls; Catholic faith school.
  • Upton Court Grammar School — co-educational.

All four use the consortium 11+ as the primary entry criterion. Each school then has its own oversubscription policy combining test score with proximity, sibling status, and (for St Bernard's) faith criteria.

The Slough Consortium 11+

The test follows a CEM format (a brand acquired by GL Assessment in 2021 but with its distinctive question style continuing). Four sections covering:

  • English — comprehension and language use
  • Maths — problem-solving with KS2-level arithmetic and reasoning
  • Verbal Reasoning — language-based reasoning patterns
  • Non-Verbal Reasoning — visual / spatial pattern recognition

The test is sat in September of Year 6. Students must register in the summer term of Year 5 — exact registration deadlines and details are published annually on the Slough Consortium website.

How tutoring usually focuses

Verbal and Non-Verbal Reasoning

These question types aren't part of the National Curriculum, so school teaching doesn't cover them. Tutors drill the recurring pattern types systematically — coded language, analogy, sequence, matrix patterns, hidden words, etc. Most students need 4-6 months of consistent practice to develop pattern recognition fluency.

Maths fluency under time pressure

Slough's Maths section rewards speed and accuracy on KS2-level material rather than demanding harder content. Tutors drill arithmetic fluency (mental maths, fraction calculations, percentage problems) until students can answer reliably under exam-paper time pressure.

English comprehension

Reading-comprehension passages with varied question types. Strong preparation includes wider reading (children who read broadly do better), specific comprehension-skill drilling (inference, retrieval, language analysis), and exposure to past-paper-style questions.

Past-paper practice

Slough doesn't publish its own past papers, but commercial publishers (CGP, Bond, etc.) offer CEM-style practice that closely matches the format. Past-paper density rises in the final 2-3 months before the September test.

Choosing a Slough 11+ tutor

  • Slough Consortium track record — ask tutors directly about previous students who passed the Slough test, ideally at the specific grammar you're targeting.
  • CEM-style familiarity — generic 11+ tutors who only know GL-format tests may not match the CEM-style question patterns precisely.
  • Comfortable with all four sections — strong tutors handle English, Maths, VR, and NVR. Some specialise in maths-heavy or English-heavy work; for the Slough test, breadth matters.
  • Local or online — both work. Online tutors offer access to specialists outside the Slough corridor; in-person tutors near Slough often have specific local insight.

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Common questions

  • Which Slough grammar schools take the test? +

    Four schools form the Slough Consortium and use a single combined test: Herschel Grammar School, Langley Grammar School, St Bernard's Catholic Grammar School (girls), and Upton Court Grammar School. Children sit one test that all four use for entry decisions. Each school runs its own oversubscription policy on top of the test result.

  • How does the Slough test work? +

    The Slough Consortium uses a CEM-style test (CEM was acquired by GL Assessment in 2021 but its 11+ legacy continues) covering English, Maths, Verbal Reasoning, and Non-Verbal Reasoning. The test is sat in September of Year 6. Students need to register for the test in the summer term of Year 5 — registration deadlines and admission information are published on the consortium's website each year.

  • How competitive is Slough 11+? +

    Highly. Slough is geographically small with a high-volume of applicants from Slough itself plus West London, South Bucks, and parts of Berkshire. The four grammars are all heavily oversubscribed. Pass thresholds (the score needed to be considered 'qualified') are typically high; a qualified score gets a child into the candidate pool but doesn't guarantee a place at any specific school due to oversubscription. Catchment / distance criteria become decisive for most schools.

  • When should we start preparing? +

    Most Slough families start in Year 5 — 12-18 months before the September sitting. Some start late Year 4 for the most competitive school targets. The CEM-style test rewards broad reading, strong arithmetic fluency, and exposure to Verbal and Non-Verbal Reasoning question patterns. Last-minute cramming yields less than sustained earlier preparation.

  • Do Slough tutors specialise in this test specifically? +

    The strongest 11+ tutors in the Slough corridor know the consortium test format intimately — the question types, timing, what differentiates a high score from a borderline one. Generic 11+ tutors who haven't worked Slough cycles may not match the Slough format as precisely as you'd want. When messaging tutors, ask explicitly about their Slough Consortium track record.

  • How much does it cost? +

    Slough's cost-of-living and proximity to West London push tutoring rates above the national average. Expect £35-£55/hr for solid 11+ tutoring; £60-£90/hr for tutors with strong Slough track records at the most competitive grammars. Across a full Year 5 / autumn-Year-6 prep course (~30 sessions), expect £1,000-£2,500.

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Last reviewed: 2026-04-29