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 Harrow for ages 3–13. Selective entry, C of E ethos.
- Rank #194
- ISI Standards met
- Fees £22.4k/yr
- co-ed
- Harrow
01 · Module
Outcomes
Where leavers go after sixth form.
- Cohort
- 140
- Russell Group
- 0%
- US Ivy
- 0
Class of 2024
of leavers
02 · Module
Exam results
A-level top grades and GCSE 9–7, post-2026 methodology recalibration.
- A-level A*–A
- 0%
- GCSE 9–7
- 0%
- Oxbridge rate
- 0%
- Russell Group rate
- 0%
Recalibrated
03 · Module
Entry points & fees
Ages, deadlines and annual fees per route.
| Entry | Year | Places | Assessment | Day fee (max) |
|---|---|---|---|---|
| 11+ | — | — | — | £22.4k |
| 3+ | Nursery | 40 | — | £22.4k |
| 4+ | Reception | — | — | £22.4k |
| 7+ | Year 3 | — | — | £22.4k |
04 · Module
Houseroom Index
Composite score blending owned data with external consensus.
Index score
56
/ 100
National rank #194
Academic25
Destinations78
Future-ready62
Pastoral82
Value-add17
Access & breadth70
Parent70
External consensus70
05 · Module
Inspections
Latest inspection rating and report.
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 report →07 · Module
Editorial verdict
Houseroom's view of the school.
08 · Module
Compare with peers
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.
- Fees —A*-A 47%Oxbridge 0%Rank #121
London Park Schools matches on sex (boys), entry phase (11+), is selective, and is a day school within a reasonable 21km commute.
- Fees £31.1kA*-A 57%Oxbridge 3%Rank #85
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 #192
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 £33.3kA*-A 60%Oxbridge 2%Rank #97
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%Rank #155
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.
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.
09 · Module
Top feeder prep schools
Preps that have sent the most pupils here over the last few years.
- 18 offers1 scholarships
- 3 offers3 scholarships
Looking for open days, prospectus, bursaries or to apply? Visit the St John's School school profile →