11+ vs 13+ — Which Route Is Right for Your Child
Practical guidance from the Leading Tuition team
Book a Free ConsultationPractical guidance from the Leading Tuition team
Book a Free ConsultationNeither the 11+ nor the 13+ is universally better — the right route depends entirely on your child's age, the schools you're targeting, and how much preparation time you have. The 11+ is sat in Year 6 (in September for the Kent Test and the Essex CSSE test) for entry into selective schools at Year 7, while the 13+ is sat in Year 8 for entry at Year 9. Understanding the structural differences between these two routes will help you make a genuinely informed decision rather than simply following what other families in your area are doing.
Checked October 2026
Kent County Council gives Thursday 15 October 2026 as the Kent Test results day, and CSSE (Essex) results are emailed after the close of business on 12th October 2026. Buckinghamshire Council's late grammar school testing (12+ and 13+) takes registrations from 5 October to 23 October 2026 for children who have already taken the transfer test.
The 11+ is the entrance examination used by grammar schools and many independent day schools across England. Children sit it in Year 6, aged 10 or 11: the Kent Test for pupils at a Kent primary school was on Thursday 10 September 2026, and the CSSE (Essex) selective test was on Saturday 19th September 2026. The test format varies by region and school: the Kent Test is made up of multiple-choice papers marked by computer, while the CSSE selective test is two separate tests, one in English and one in Mathematics. The Kent Test covers English, mathematics, verbal reasoning and non-verbal reasoning.
The 13+, by contrast, is the traditional entry point for many independent boarding schools and some selective day schools. It is sat in Year 8, with children entering their new school at the start of Year 9, aged 13. A framework used by many leading independent senior schools is the ISEB Common Entrance examination, which covers English, mathematics, science, and a range of humanities and language subjects. Many independent boarding schools use the 13+ as their primary entry route, though many also ask families to register early and sit a pre-test.
One of the most significant practical differences is when the pressure falls. With the 11+, children are making high-stakes decisions at age 10 or 11 — an age when some are academically ready and others are not yet developmentally there. Preparation typically begins in Year 4 or Year 5, and the Kent Test and the CSSE test both fall in September of Year 6.
The 13+ route spreads that pressure differently. Many boarding schools ask families to register early, and some require children to sit an online pre-test, such as the ISEB Pre-Tests, before the Common Entrance exam. A conditional place is then offered, with the formal Common Entrance exam sat in Year 8. This means children have more time to mature academically, but it also means living with a conditional offer for two years — which some families find stressful in its own way.
In terms of curriculum breadth, the independent-school 13+ is more demanding. ISEB Common Entrance at 13+ has three compulsory papers (English, mathematics and science), and pupils may be required to sit additional papers in subjects including geography, history, classics, modern foreign languages, and theology, philosophy and religion — subjects that the Kent Test and the CSSE selective test do not include. Children preparing for 13+ are essentially covering much of the Key Stage 3 curriculum early.
The route is chosen by the schools, not by the child
Families often decide 11+ or 13+ on temperament and then discover the schools they actually want only admit at one of them. The shortlist has to come first; everything else follows from it.
Tell us which schools you have in mind and we will work backwards to the route and the timeline that fits them.
Book a Free Consultation Message us on WhatsAppThis is often the deciding factor. Your choice of exam is largely determined by the schools you want your child to attend:
If your child is aiming for a grammar school place, the 11+ is the usual route, but it is not the only one. Buckinghamshire Council's late grammar school testing (the 12+ and 13+ exams) is for pupils in Years 7 and 8 who want a grammar school place in Years 8 or 9. A child can only apply if they have moved into Buckinghamshire (the council arranges a test date) or have already taken the transfer test, in which case registration for September 2027 entry is from 5 October to 23 October 2026. The council says places are extremely limited, especially for pupils in Year 8 and 9. If you're targeting a traditional boarding school, the 13+ route is likely required, though you may well need to engage with the pre-test process earlier.
Our specialists have guided hundreds of families through the 11+ and 13+ decision, helping them weigh school fit, academic readiness, and long-term goals for each child. Our students have achieved a 95%+ offer rate across selective school entry. Book a free consultation if you'd like to talk it through.
Some children are early developers who thrive under structured preparation from Year 4 onwards. For these pupils, the 11+ can be an excellent fit — they are ready, motivated, and well-suited to the format. Others are late bloomers who need the extra two years that the 13+ route provides. A child who struggles with verbal reasoning in Year 6 may be a confident, well-rounded student by Year 9.
It is also worth considering subject strengths. The 13+ rewards breadth — a child who loves history, languages, and science alongside maths and English is well-placed. The 11+ is narrower in scope but highly competitive, particularly in areas with strong grammar school traditions.
Children who are strong across the board but not exceptional in any one area sometimes find the 13+ a better showcase of their abilities.
Both routes require preparation, but the nature and duration differ. For the 11+, we suggest beginning focused preparation in Year 5, ahead of a test in Year 6. For the 13+, preparation is more gradual and school-led, though some families add targeted tutoring in Year 7 and Year 8, particularly in mathematics and English.
Independent school fees are a separate consideration entirely, but it is worth noting that the 11+, or in some areas a later 12+ or 13+ test, is the usual route to selective secondary education without school fees. For families who want a rigorous academic environment without the cost of independent schooling, the 11+ is the usual path.
Leading Tuition works with families across both routes, and the most consistent piece of advice we give is this: start by identifying the schools you want, then work backwards to understand which exam applies. Choosing an exam route without first shortlisting schools is putting the cart before the horse.
Sitting both is possible, and it doubles the preparation
Some families keep both routes open, which means an 11+ in Year 6 and then the 13+ papers later. It can be the right decision; it is rarely the light one, and it needs planning from Year 5.
We map both routes with families before committing to either, in a free consultation.
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These are the dates the councils and test bodies themselves publish for the grammar school routes above.
Reviewed October 2026: dates, figures and rules checked against Kent County Council's Kent Test page, the CSSE Information Guide for 2027 entry, Buckinghamshire Council's late transfer grammar school test page and GL Assessment's admissions tests page.
Yes, in some cases. A child can sit the 11+ for a grammar or independent day school place at Year 7, and if unsuccessful or if the family changes direction, they may still pursue a 13+ route for Year 9 entry. However, this requires careful planning, as some boarding schools ask families to commit to the 13+ pathway early through registration and pre-tests.
The ISEB Pre-Tests are a set of four multiple-choice, adaptive, online tests used by leading independent schools as part of their admissions processes. They cover English, mathematics, verbal reasoning and non-verbal reasoning, and ISEB says they are often taken in Year 6 or Year 7. Some senior schools, such as Eton and Harrow, use them as a precursor to Year 9 entry (13+). ISEB calls them the ISEB Pre-Tests (11+), and whether and when your child needs them depends on the school, so check each school's own admissions page.
They test different things at different stages of development, so direct comparison is difficult. The independent-school 13+ covers more subjects and greater curriculum depth, reflecting two additional years of schooling. The 11+ is narrower but highly competitive in areas with grammar schools. Many children find the 11+ more pressured simply because of the age at which decisions are made.
No. Entry points vary significantly by school and sector. Many boys' boarding schools use 13+ as their main entry point, while many girls' independent schools and co-educational day schools use 11+. Some schools offer both, particularly at the senior school level. Always check directly with individual schools, as entry structures vary and some traditionally 13+ schools also offer 11+ entry.
The 11+ format varies depending on the school and region, but many selective schools test verbal reasoning, non-verbal reasoning, mathematics, and English comprehension. Some schools use tests from providers such as GL Assessment, while the ten CSSE selective schools in Essex and Southend share one selective test, so a child does not have to take several. The key differences between formats include question types, timing, and whether calculators are permitted. Understanding the specific format used by your target school is essential before starting structured preparation, as this determines which skills to prioritise and which practice materials to use.
Leading Tuition offers specialist 11+ tuition tailored to 11+ vs 13+ — Which Route Is Right for Your Child. Our tutors understand the exact assessment format, including verbal reasoning, non-verbal reasoning, maths, and English components. We create personalised preparation plans based on your child's current level and target timeline, with regular mock exams under timed conditions. We have helped hundreds of families secure grammar and independent school places across the UK. Book a free consultation to discuss your child's preparation strategy.
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