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Kingston Grammar School, situated in the heart of Kingston upon Thames, is one of the most academically distinguished independent schools in the London and South East region. For families considering secondary school options, it represents something genuinely significant: a rigorous, high-achieving environment where pupils consistently go on to top universities, including Oxford and Cambridge. The school sends a strong cohort to Russell Group institutions each year, and its academic culture — demanding but supportive — shapes students who are well-prepared for the most competitive university pathways. If you are weighing up whether the preparation effort is worthwhile, the answer lies in what Kingston Grammar can offer your child over seven years of secondary education. This guide will help you understand exactly what the school's entrance exam requires and how to approach preparation with clarity and purpose.
Corrected August 2026 — the Tiffin schools run a two-stage test
An earlier version of this page called the Tiffin assessment the "Kingston Grammar Test". Neither Tiffin School nor The Tiffin Girls' School uses that name. Checked on 23 August 2026 against both schools' own Year 7 Admissions pages, each runs a Stage One test followed by a Stage Two test for those invited. For September 2027 entry, registration closes at 12.00 noon on Tuesday 1 September 2026 at both schools, and both state that no late applications will be accepted. Stage One is sat on 1 and 2 October 2026 at The Tiffin Girls' School and on 2 October 2026 at Tiffin School.
Registering for Kingston in 2027?
Registration closes at noon on 1 September 2026 at both Tiffin schools, and Stage One follows a month later. 91% of our students achieve their desired grades, and we are rated 4.8 out of 5 on Trustpilot from 58 reviews, read on 7 September 2026.
Book a Free ConsultationKingston Grammar School is a co-educational independent school that has maintained a reputation for academic excellence across decades. It consistently appears among the top-performing schools nationally for A-level results, and its Oxbridge and Russell Group placement record reflects the strength of teaching and expectation within the school. Beyond results, families are drawn to its breadth — strong sport, music, drama, and a genuine commitment to developing well-rounded young people. For children entering at 11, it offers a structured, intellectually stimulating environment that rewards curiosity and hard work. In a competitive part of the country where secondary school choices carry real weight, Kingston Grammar stands apart as a school that genuinely transforms academic trajectories.
Kingston Grammar School uses its own entrance assessment. That assessment is set by the school itself and is not the same as the Stage One and Stage Two tests used by Tiffin School entrance exam, which means the question style, structure, and level of demand are closely related — though Kingston Grammar's admissions process is entirely its own. The test covers three core areas: Mathematics, English, and Reasoning.
The Mathematics section tests numerical reasoning, problem-solving, and the ability to apply mathematical thinking under time pressure. Questions go beyond straightforward calculation and require children to interpret problems carefully before working through them. The English section assesses comprehension, vocabulary, and written expression. Children are expected to read with precision and write with clarity and some sophistication. The Reasoning section typically includes both verbal and non-verbal reasoning tasks, testing logical thinking and pattern recognition.
One specific feature of this test family that catches many children out is the pacing. The Stage One and Stage Two tests is designed so that working methodically through every question in the time allowed is genuinely challenging. Children who have only practised at a relaxed pace — even if they understand the content — often find themselves running short of time on the day. Timed practice under realistic conditions is not optional; it is central to preparation.
Kingston Grammar School admits approximately 125 pupils per year at 11+. Given the school's reputation and location, the number of applicants significantly exceeds available places, making this a highly selective process. Children sitting this exam are typically among the strongest academic performers in their primary schools, and many will have been preparing for a year or more. The standard required is not simply "above average" — it is genuinely high, and the exam is designed to differentiate between very able candidates.
Families should understand that natural ability alone is rarely sufficient. The children who perform well on the Stage One and Stage Two tests are those who have developed fluency across all three tested areas, practised under timed conditions, and learned to manage the particular demands of this style of assessment. Preparation needs to be structured, consistent, and specific to this exam.
A well-paced preparation plan for Kingston Grammar School typically spans twelve to eighteen months before the exam date, which usually falls in the autumn of Year 6. Starting in Year 4 or early Year 5 gives a child time to build genuine competence rather than simply cramming material in the final weeks.
Our 11+ specialists work with Kingston Grammar applicants on the English, Maths, and reasoning papers the school uses for 11+ selection, preparing students for the specific format and standards KGS expects. Our students have achieved a 95%+ offer rate across selective school entry, and we're rated 4.8/5 on Trustpilot. Book a free consultation to discuss a preparation plan for the Kingston Grammar School 11+.
A concrete tip specific to this test family: practise the Reasoning section last in each mock session, even if your child finds it the most enjoyable. In the actual exam, fatigue affects reasoning performance more than most parents anticipate. Building stamina across a full-length sitting is as important as content knowledge.
Leading Tuition provides specialist 1-to-1 tutoring for children preparing for Kingston Grammar School's 11+ entrance exam. Our tutors are experienced with the Stage One and Stage Two tests specifically — not just 11+ preparation in general — and understand the particular demands of this test family, including its relationship to the Tiffin exam format. Sessions are tailored to each child's starting point, whether that means building foundational skills in Year 4 or refining exam technique in the final months of Year 6.
We work closely with parents throughout the preparation process, providing honest assessments of progress and adjusting the programme as needed. Our approach is structured and purposeful — we do not believe in padding sessions with material a child has already mastered. Every session is focused on moving your child closer to the standard required to compete for a place at Kingston Grammar School.
For official entry requirements and registration details, see the Kingston Grammar School 11+ admissions.
How early should we start preparing for the Stage One and Stage Two tests?
Most families who are serious about Kingston Grammar begin structured preparation in Year 4 or early Year 5, giving twelve to eighteen months before the exam. Starting earlier allows time to build genuine fluency rather than surface familiarity with question types. Children who begin in Year 6 are not automatically disadvantaged, but they will need to work intensively and consistently to reach the required standard in a shorter window.
Is there a published pass mark or score threshold for Kingston Grammar School?
Kingston Grammar School does not publish a specific pass mark or score threshold. Places are awarded to the highest-performing candidates, which means the effective standard shifts slightly each year depending on the cohort. This is why preparation should aim for genuine mastery across all three sections rather than targeting a fixed score — the goal is to perform as strongly as possible relative to a highly able field of applicants.
Can a child sit the Stage One and Stage Two tests more than once?
The Stage One and Stage Two tests is sat once per admissions cycle, in the autumn of Year 6. There is no opportunity to resit within the same year. Children who are unsuccessful can apply again in subsequent years if they remain within the eligible age range, but most families treat the Year 6 sitting as the primary opportunity and prepare accordingly.
What options are available if a child narrowly misses the mark?
If a child performs well but does not secure a place, it is worth contacting the school's admissions office to understand where they placed and whether a waiting list applies. Beyond Kingston Grammar, families in this area often consider Tiffin School, Hampton School, and other strong independent and selective schools in the region. A child who has prepared thoroughly for Kingston Grammar will be well-positioned for these alternatives, and a good tutor can help redirect preparation quickly if needed.
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