overview
St John's School is a boys-only day prep school located in Potter Street Hill, Northwood, London (HA6 3QY). It caters for pupils aged 3–13 and has a roll of approximately 348 pupils.
Data profile
St John's School
Independent co-ed all-through school in Hillingdon for ages 3–13. Selective entry, C of E ethos.
- Rank #240
- ISI Standards met
- Fees £22.4k/yr
- boys
- Northwood, Hillingdon
Outcomes
Where leavers go after sixth form.
- Cohort
- 140
- Russell Group
- 0%
- US Ivy
- 0
Class of 2024
of leavers
Exam results
A level A*–A and GCSE 9–7, recalibrated for 2026.
- A-level A*–A
- 0%
- GCSE 9–7
- 0%
- Russell Group rate
- 0%
Recalibrated
Entry points & fees
| Entry | Year | Places | Assessment | Day fee (max) |
|---|---|---|---|---|
| 3+ | Nursery | 40 | Observation | £22.4k |
| 4+ | Reception | — | Interview · Observation | £22.4k |
| 7+ | Year 3 | — | School's own exam · Interview | £22.4k |
Houseroom Index
Our composite score, broken down by pillar.
Index score
55
/ 100
National rank #240
Academic17
Destinations78
Future-ready62
Pastoral82
Value-add9
Access & breadth70
External consensus70
Inspections
ISI
Standards met
Inspected 2023-05-16
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's own framework for assessment confirms that teaching enables pupils to make good progress in the context of Part 1 paragraph 3(a). 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 ISI report →Editorial verdict
Compare with peers
Schools families applying here also consider.
- Fees —A*-A 47%Oxbridge 0%Rank #193
London Park Schools matches on sex (boys), entry phase (11+), is selective, and is a day school within a reasonable 21km commute.
- Fees £32.5kA*-A 57%Oxbridge 3%Rank #93
Berkhamsted School shares selective entry, day or boarding options, similar fees (£31.1k), and is within 20km, making it a plausible Plan B/C.
- Fees £26.9kRank #231
Brondesbury College is a boys' day school with selective entry, fees (£26.9k) close to target, and within 15km, aligning well with the family's criteria.
- Fees £34.6kA*-A 60%Oxbridge 2%Rank #117
Pangbourne College is a boys' selective school offering day or boarding, with fees (£33.3k) slightly higher but comparable, and within 51km, suitable as a Plan B/C.
- Fees £32.0kA*-A 50%
Mill Hill Senior is a selective co-ed school offering day or boarding, with fees (£32k) close to target, and located 12km away, making it a reasonable alternative.
How peers are chosen
Matched on sex, boarding, entry phase, location, fee band, tier and outcomes. Scoring: 0.45 outcome similarity, 0.25 structured, 0.10 embedding, 0.20 AI re-rank. Refreshed yearly and when a profile changes.
Top feeder prep schools
- 18 offers1 scholarships
- 3 offers3 scholarships
Open days, bursaries and how to apply: St John's School profile →