Moving from Prep School to Senior School

The move from prep school to senior school is one of the biggest transitions in UK independent education. Most children move at either 11 (Year 7) or 13 (Year 9). The 11+ route is common at girls' schools, co-ed day schools and some boys' schools; the 13+ route is common at traditional boarding schools. Both routes work well when planned early — usually starting the search 18-24 months before intended entry. Preparation focuses on entrance exams, interviews and — importantly — choosing the right senior school for the child.

This is a supporting article within our pillar guide to the UK private school admissions process.

The two main routes

11+ (Year 7 entry)

Common at:

• Most girls' senior schools (both day and boarding).
• Co-educational day schools and some co-ed boarding schools.
• Some boys' schools, particularly London day schools.

Typical process:

• Pupil sits 11+ exams in the autumn/winter of Year 6.
• Interviews follow.
• Offers typically made in February-March.
• Pupil starts senior school the following September.

13+ (Year 9 entry)

Common at:

• Traditional boarding schools.
• Boys' senior schools with prep-school feeder relationships.
• A smaller number of co-ed schools.

Typical process:

• Pupil takes ISEB Common Pre-Test in Year 6 or 7.
• Conditional offer made based on pre-test and prep-school reference.
• Pupil sits Common Entrance or school-specific papers at end of Year 8.
• Confirmed offer follows.
• Pupil starts senior school the following September.

Choosing between 11+ and 13+ routes

The choice is often driven by which senior schools you are targeting. Some schools take pupils only at 11+; some only at 13+; some at both. The child's current prep school will also influence the choice — some prep schools finish at 11, others go through to 13.

Considerations:

• If your target senior school takes only at 11+, that determines the route.
• If your target school takes only at 13+, prep-school continuation to 13 is usually best.
• If your target school takes at both, the child's readiness and the current prep school's strengths guide the choice.
• An extra two years at prep can allow for more maturity, stronger scholarship potential, and better fit with a 13+ boarding entry.

Planning the transition

Two to three years before entry

• Identify target senior schools.
• Understand each school's entry route (11+ or 13+).
• Register with target schools where deadlines allow.
• Attend open days.
• Begin building specific strengths — music grade, sports level, art portfolio.

Twelve to eighteen months before entry

• Private visits to shortlisted senior schools.
• Structured preparation for entrance exams.
• Prep school and family conversations about readiness.
• Preparation for interviews.

Six to twelve months before entry

• Entrance exams and pre-tests.
• Interviews.
• Offers received.
• Accept a place. Pay deposit.

Zero to six months before entry

• Complete registration paperwork.
• Uniform and kit.
• Prepare child emotionally — for the new environment, more independence, wider peer group.
• Farewell activities and events at the prep school.

The role of the prep school

A good prep school is a genuine partner in the transition. Expect them to:

• Advise on which senior schools would suit your child.
• Provide honest guidance on realistic academic level.
• Prepare pupils for entrance exams within the curriculum.
• Coordinate scheduling of exams and interviews.
• Provide references to receiving schools.
• Advise on scholarship applications.

A prep school that pushes every family towards the same handful of famous senior schools may not be giving the best advice for individual pupils. Ask honestly about a range of options.

Preparing the child emotionally

The move from prep to senior school is more than an academic transition. It involves:

• A larger school, often with 500-1,500 pupils vs 200-400 at prep.
• A wider peer group — new friendships to build.
• More independence — moving between classrooms, more responsibility for time management.
• A wider curriculum — more subjects, more specialists, more challenging content.
• New pastoral structures — house system, tutors, wider pastoral team.

For pupils moving to a boarding school at 13, the transition also involves living away from home. Our full guides to what age to start boarding and preparing a child for boarding school cover this transition specifically.

When 13+ is better than 11+

Two extra years at prep school can be genuinely valuable. Consider staying to 13 if:

• The prep school is strong and well-suited to the child.
• The child is not yet emotionally ready for a much larger environment.
• The target senior school takes at 13+ and offers a fresh start after Common Entrance.
• The child is developing specific strengths (music, sport, drama) that another two years would materially advance.
• Boarding is on the table but the child is not yet ready at 11.

When 11+ is better than 13+

Moving at 11 can be the stronger choice if:

• Target senior schools take primarily at 11+.
• The child is ready for a larger environment and wider peer group.
• The prep school does not continue to 13 or is not strong enough at Years 7-8.
• The family wants seven full years at the same senior school.
• Financial or logistical factors favour earlier consolidation.

Common mistakes

1. Assuming the child's prep school will steer the process — some do this well, some do not.
2. Applying only to prep-school-approved options — take independent advice.
3. Choosing a senior school for its reputation rather than fit.
4. Under-preparing for the specific senior school's entrance exam format.
5. Not asking about scholarship options at 11+ or 13+.
6. Ignoring the interview as a serious component.

Final thought

The move from prep to senior school shapes the next five to seven years of a child's education. It deserves thoughtful planning, honest conversations about readiness and fit, and — where possible — a range of options rather than a single first choice. Get this transition right and the senior school years typically go smoothly. Get it wrong and the impact can be significant.

My Top Schools helps parents find the right school for their child — with clear profiles, honest information, and search filters built around what really matters. Start your search.

Related reading

• The UK private school admissions process: step-by-step — The full pillar guide.
• The 11+ and 13+ entrance exams explained — The exam mechanics.
• ISEB Common Pre-Test explained — The main pre-test.
• What age should my child start boarding school? — The boarding-timing question.