Aldenham School
Elstree, Hertfordshire, East of England · WD6 3AJ
Founded in 1597, Aldenham School carries more than four centuries of history into its life as a co-educational, Church of England school in Elstree. It welcomes pupils from age three through to eighteen, with both day and boarding places, and entry points that include the 11+. The Independent Schools Inspectorate awarded the school its top grade of 'excellent' for both education quality and personal development. With 684 pupils, including a sixth form of 185, it sits in the medium-size band and combines a long tradition with a broad, all-through structure.
684
Pupils
excellent
ISI
£31,128
Day fees / yr
Free month · No card needed · Cancel anytime
Schools nearby
Open in Google Maps ↗Overview & data
- Gender
- Mixed
- Type
- independent (fee-paying) school
- Age range
- 3-18
- Pupils
- 684
- Pupil:teacher ratio
- 22
- Location
- Elstree, Hertfordshire, East of England
- Website
- www.aldenham.com
- Telephone
- 01923 858122
Entrance & admissions
- Entry age
- 11
Want your child to win a place at Aldenham School?
Passmate builds a personalised practice plan from your target schools' exact 11+ topics - so every session moves your child closer to a place.
- Practice matched to Aldenham School's 11+ format
- See precisely where your child stands, topic by topic
- A profile of how they think - not just scores
Free month · No card needed
Headteacher
Head of foundation Alex Hems
Latest results
Attainment 8
41.5
National average 46.9
GCSE grade 5+ (English & Maths)
0%
National average 47%
GCSE grade 9-7
44%
A-level A*-A
17%
A-level A*-B
51%
Teaching & academics
The school offers a wide academic menu, from GCSE and IGCSE through to A-level and the EPQ. At GCSE, 44% of grades fall in the 9-7 range, with sciences, mathematics and English among the most popular choices; in the sixth form, Business Studies, Psychology, Mathematics, Economics and History draw the largest cohorts. At A-level, 17% of entries reach A*-A and just over half reach A*-B. The average Attainment 8 score of 41.5 sits below the national average of 46.9, so families should weigh headline results alongside the school's strong personal development rating and the support it offers, including for the roughly one in five pupils on SEN support.
Sixth form
- Sixth-form pupils
- 185
Popular A-level subjects
Qualifications offered
Learning support & SEN
- SEN support
- 19.38%
- EHC plans
- 0.71%
Arts & extracurricular
Scholarships
Languages
Popular GCSE subjects
Sport
Main sports
Beyond the classroom
Sport is a visible strength, with rugby, cricket, tennis, athletics, netball and hockey all on offer. Scholarships span music, drama, sport, academics, art and design technology, signalling breadth across the arts and beyond. Languages include French and Spanish.
Ethos & heritage
- Founded
- 1597
- Religious character
- C of E
- Boarding
- Yes
Money matters
- Day fees (per year)
- £31,128
- Boarding fees (per year)
- £49,500
Means-tested bursaries available.
Inspection reports
- ISI rating
- excellent
- ISI personal development
- excellent
- Last inspected
- 29 April 2025
The last word
A historic, all-through C of E school with boarding and a genuinely rounded ethos. Best suited to families who value pastoral strength and breadth, and who will read the academic data with care.
The Passmate verdict
Have you considered?
Radlett Preparatory School
Radlett, East of England
Edge Grove Preparatory School
Aldenham Village, East of England
Immanuel College
Bushey, East of England
The Purcell School
East of England
Radlett Lodge School
Radlett, East of England
Nisai Virtual Academy Ltd
Watford, Greater London
Aldenham School 11+: frequently asked questions
Where is Aldenham School located?
Aldenham School is located at Elstree, Elstree, WD6 3AJ.
What type of school is Aldenham School?
Aldenham School is an independent (fee-paying) school in East of England.
How many pupils attend Aldenham School?
Aldenham School has approximately 684 pupils on roll.
What is Aldenham School's inspection rating?
Aldenham School is inspected by the ISI and was judged "excellent" at its inspection on 29 April 2025.
Compiled from public data. Last checked June 2026.