Data profile
Independent co-ed senior school in Barnet for ages 13–18, day or boarding. Selective entry, CofE/Christian ethos, top-tier London fees.
01 · Module
Where leavers go after sixth form.
02 · Module
A-level top grades and GCSE 9–7, post-2026 methodology recalibration.
Recalibrated
03 · Module
Ages, deadlines and annual fees per route.
| Entry | Year | Places | Assessment | Day fee (max) | Boarding fee (max) |
|---|---|---|---|---|---|
| 11+ | — | — | — | £44.0k | £55.2k |
| 13+ | Year 9 | 180 | — | £44.0k | £55.2k |
| 14+ | Year 10 | 6 | — | £44.0k | £55.2k |
| 16+ | Lower Sixth | 70 | — | £44.0k | £55.2k |
| 4+ | Reception | — | — | £44.0k | £55.2k |
| 7+ | Year 3 | — | — | £44.0k | £55.2k |
04 · Module
Composite score blending owned data with external consensus.
Index score
63
/ 100
National rank #126
05 · Module
Latest inspection rating and report.
ISI
Standards met
Inspected 2020-01-21
The school meets the standards in the schedule to the Education (Independent School Standards) Regulations 2014 and relevant requirements of the statutory framework for the Early Years Foundation Stage, and associated requirements, and no further action is required as a result of this PART 1 � Quality of education provided 2.2 The school uses its own framework to determine attainment, instead of the national framework. 2.3 The curriculum is documented, supported by appropriate plans and schemes of work for the pupils and covers the required breadth of material. The teaching enables pupils to make good progress, encompasses effective behaviour management and is supported by suitable resources.
Read full report →07 · Module
Houseroom's view of the school.
Grimsdell occupies the rather grand Winterstoke House on desirable Wills Grove, ‘an enclave of calm away from the mania of the Ridgeway,’ says parent: ‘Civilised morning handover, looking teacher in the eye with a handshake or fist pump, is a
Head Kevin Dobson Since 2025, Kevin Dobson, BA (Hons) in Primary Education (with QTS) at St Mary’s Twickenham. Grew up and went to a state comprehensive in Harrow, before cutting his teeth in state primary schools and then becoming deputy head at Grimsdell for 10
This is an independent school and therefore does not have Key Stage 2 SATs results. While some independent schools choose to sit SATs, they are not required to do so and the UK government does not collect or publish their results. [Find out more](/uk-schools/advice/our-school-data-explained#results-primary). ### Teaching & learning 8:1 Pupil to teacher ratio View all data 20 Average class sizes View all data Pupils 219 Number of pupils View all data
08 · Module
The schools a family applying here would also be considering — chosen by sex, boarding, entry phase, geography, fees, tier and outcomes, with an admissions-adviser AI re-rank.
Cranleigh School is a co-ed day and boarding school with selective entry, top-tier London fees (£46.8k), and a senior school entry phase overlapping with Mill Hill, located within a reasonable 55km commute.
Aldenham School offers co-ed day and boarding options with selective entry, top-tier London fees (£32.1k), and overlapping entry phases (4–18) within a close 9km commute.
Bradfield College is a co-ed senior school with day and boarding options, selective entry, top-tier London fees (£48.6k), and a senior entry phase overlapping Mill Hill’s, located 65km away.
St Edward's Oxford is a co-ed senior school with day and boarding, selective entry, top-tier London fees (£47.6k), and overlapping senior entry phases, located within 74km.
Forest London is a co-ed day school with selective entry, top-tier London fees (£32.1k), overlapping all-through entry phases (4–18), and a C of E ethos, located 17km from Mill Hill.
Peers refreshed annually plus on-write. Filters: sex, boarding, entry phase, geography, fee band, tier. Scoring: 0.45 outcome similarity + 0.25 structured + 0.10 embedding + 0.20 AI re-rank.
Looking for open days, prospectus, bursaries or to apply? Visit the Mill Hill Senior Private School school profile →