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Book a Free ConsultationBarnet is one of the most competitive boroughs in England for selective school entry. It is home to five significant selective schools spanning both the state and independent sectors: Queen Elizabeth's Boys' School, Henrietta Barnett School, Haberdashers' Boys, Haberdashers' Girls, and North London Collegiate School. Between them, these schools attract applications from across North London, Hertfordshire, and beyond. Each uses a different entrance process, tests different combinations of skills, and has its own registration deadlines — and the deadlines come around faster than most families expect.
Barnet's selective school landscape involves three distinct examination routes: the QE Boys bespoke exam, the GSHSA consortium test used by Henrietta Barnett, and the ISEB Common Pre-Test used by Haberdashers' Boys, Haberdashers' Girls, and North London Collegiate. These are genuinely different assessments — a child who has prepared well for one is not automatically prepared for the others. Families applying to schools across both the state and independent sectors need to map out all three routes early, because the calendars overlap significantly and the preparation demands are additive.
The children who perform well at these schools are not simply bright. They are well-prepared, confident under timed conditions, and fluent in the specific question formats each exam uses. That fluency takes months to build and is not something that can be rushed in the final weeks before an exam.
Queen Elizabeth's Boys' School is consistently ranked the top grammar school in England by A-level results. It is fully selective and non-fee-paying, and the entrance exam is written and marked entirely in-house rather than using a third-party provider. The test covers verbal reasoning, non-verbal reasoning, and mathematics, with a strong emphasis on speed and accuracy across all three sections. Around 2,000 boys sit the exam each year for roughly 180 places — a ratio of approximately 11 to 1. The score required to receive an offer is exceptionally high, and the cohort includes many boys who have been preparing systematically for a year or more.
Henrietta Barnett School is one of only three remaining state grammar schools for girls in London, and by most measures the most selective of the three. Entry is through the GSHSA (Girls' Schools of Hertfordshire and Selective Academies) consortium test, a shared exam also used by selective schools including Dame Alice Owen's, Watford Grammar School for Girls, and others across Hertfordshire. The GSHSA test is sat in early September of Year 6 — earlier than almost any other selective school exam in the country — and covers English, mathematics, and verbal reasoning. Around 2,000 girls sit the test each year for 93 places at Henrietta Barnett. The school's cut-off score is consistently among the highest of all schools using the GSHSA, meaning a girl needs to perform in the very top percentile to receive an offer.
Key facts for families targeting the state selective schools:
Haberdashers' Boys School in Borehamwood and Haberdashers' Girls' School in Elstree are both among the highest-performing independent schools in the country by A-level and GCSE results. Both are academically selective and both use the ISEB Common Pre-Test as their first-round screening process for 11+ entry.
North London Collegiate School in Edgware was founded in 1850 and is one of the oldest girls' schools in the country. It regularly appears at or near the top of independent school league tables and is among the most sought-after girls' schools in North London. Like the two Haberdashers' schools, it uses the ISEB Common Pre-Test as the first stage of its 11+ selection process.
The ISEB Common Pre-Test is an online adaptive assessment. It is typically sat in October or November of Year 6 and covers four sections: verbal reasoning, non-verbal reasoning, mathematics, and English reading and writing. Scores are standardised on a scale of 60 to 140, with 100 as the median. The test adapts in real time — a child who answers correctly is presented with progressively harder questions, which allows the test to discriminate effectively across a wide range of ability. The practical implication is that the goal is not simply to finish the test but to answer as accurately as possible on increasingly difficult material. Schools typically look for standardised scores around 115 or above before inviting candidates to the next stage.
A strong ISEB result unlocks a school's own second-round assessment. At Haberdashers' Boys and Haberdashers' Girls this typically involves a further written assessment and interview. NLCS similarly invites shortlisted candidates for its own individual assessment before making offers. Preparing for the independent school route in Barnet therefore has two phases: reaching the ISEB threshold to be shortlisted, and then being ready for a school-specific assessment that varies by institution.
Practical notes for families targeting independent schools in Barnet:
The QE Boys exam is particularly demanding on mathematical reasoning and verbal reasoning under time pressure. A common failure mode among well-prepared children is that they can answer questions correctly in untimed practice but cannot complete the paper in the allotted time. Accuracy without pace is not enough at this level. The practical implication is that timed full-paper practice — not just working through questions — needs to be a regular part of preparation from at least six months before the exam date. Understanding why wrong answers are wrong is more valuable than completing another paper without review.
For the GSHSA test used by Henrietta Barnett, the English section is where many girls underperform relative to their mathematical ability. The comprehension and writing tasks require precision and maturity of expression that tends to develop more slowly than mathematical fluency and is harder to accelerate through drilling. Vocabulary breadth, inference from complex texts, and writing concisely under pressure are all directly tested. Practising with GSHSA-style papers rather than generic 11+ materials is important, because the style and register of the questions differs meaningfully from standard practice resources.
For the ISEB Pre-Test, non-verbal reasoning is consistently the section where children are least prepared, because it receives little attention in primary school. The test uses a wide range of NVR question types — rotations, reflections, analogies, sequences, 3D spatial reasoning — and children who have never seen these formats systematically are at a disadvantage against those who have. Building familiarity with the full range of NVR question types well before October of Year 6 is one of the highest-return preparations a child can do for this route.
For families targeting QE Boys or Henrietta Barnett, twelve to eighteen months of structured preparation is realistic and appropriate. In Year 5, the priority is building solid foundations: arithmetic fluency, reading analytically, and systematic introduction to verbal and non-verbal reasoning question types. In the first half of Year 6, practice should become exam-specific and timed, with full mock papers introduced progressively. In the final weeks before each exam, full papers under realistic conditions — timed, without assistance, followed by careful error review — are the most productive thing a child can do.
For families also targeting Haberdashers' or NLCS, the October/November ISEB window means the start of Year 6 is already an exam period. Year 5 is therefore the main preparation year for children applying across both state and independent sectors — there is not enough time between September and October of Year 6 to build the skills the ISEB tests from scratch.
Henrietta Barnett's September exam date creates a specific additional constraint. The summer holiday before Year 6 is not a rest period for families seriously targeting this school — it is the final preparation window. Consistent practice through July and August is the norm among successful applicants, not the exception.
Our specialist 11+ tuition covers all five selective schools above — both state and independent. Because each uses a different exam with different demands, our tutors build individual preparation plans rather than delivering a generic programme: assessing a child's current level across each relevant subject, identifying the specific areas that need development, and calibrating the timeline against the actual exam dates the child is working towards.
For families applying across both sectors simultaneously — for example targeting QE Boys and Haberdashers' Boys at the same time — the individual approach matters particularly. The QE Boys bespoke exam and the ISEB Pre-Test are genuinely different assessments with different question formats and different time demands, and a preparation plan that conflates them tends to under-serve both. Our tutors are experienced in managing multi-school preparation without creating unnecessary pressure on a child in Year 5 or Year 6.
If you are beginning to think about 11+ preparation, our free 11+ resources — including practice papers and school-specific preparation guides — are a good starting point before deciding whether tuition is right for your child.
Is the QE Boys exam the same as the GSHSA test used by Henrietta Barnett?
No — they are entirely separate examinations. Queen Elizabeth's Boys' School writes and marks its own entrance exam, not shared with any other school. Henrietta Barnett uses the GSHSA consortium test, shared with a group of selective schools across Hertfordshire. The content overlaps — both test verbal reasoning and mathematics — but the format, timing, and scoring are different, and children preparing for one cannot assume they are adequately prepared for the other.
What is the ISEB Common Pre-Test, and which Barnet schools use it?
The ISEB Common Pre-Test is an online adaptive assessment used by many leading independent schools as a first-round screening tool. In and around Barnet it is used by Haberdashers' Boys School, Haberdashers' Girls' School, and North London Collegiate School. Children typically sit it in October or November of Year 6. It covers four sections — verbal reasoning, non-verbal reasoning, mathematics, and English — with scores standardised on a scale of 60 to 140. A strong result is needed to progress to each school's own individual assessment round; schools typically shortlist candidates who score around 115 or above.
When are the exams sat, and how much notice do families get?
The GSHSA test for Henrietta Barnett is typically held in the first week of September of Year 6 — the earliest major 11+ exam in the calendar, which means registration and summer preparation are both essential. The QE Boys exam is usually held later in the autumn term of Year 6. The ISEB Pre-Test for the independent schools typically falls in October or November of Year 6. All three routes therefore concentrate into the autumn of Year 6, which is why Year 5 is the main preparation year for families targeting multiple schools.
My daughter is bright and reads a lot — does she still need structured preparation for Henrietta Barnett or NLCS?
Reading widely is a genuine advantage for the English sections of both the GSHSA and the ISEB, but it is not the same as being prepared for the exam. The GSHSA English paper, in particular, tests specific skills — answering inference questions precisely, selecting textual evidence, and writing to a prompt under time pressure — in a format most children will not have encountered in school. Familiarity with the question style matters, and so does having practised writing under timed conditions regularly. The gap between a strong reader and a well-prepared strong reader tends to be visible in the results.
How early should we start preparing for QE Boys, Henrietta Barnett, or the independent schools?
For schools at this level of selectivity, structured preparation in Year 5 is appropriate for most families. This allows time to build skills properly and means a child arrives at the exam with timed fluency in the right question types — not just familiarity with the subject matter. For families applying to both state and independent schools, starting in Year 5 is particularly important given that the ISEB Pre-Test falls in October of Year 6, with very little runway once the academic year begins.
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