St Helen's School
Northwood, Hillingdon, Greater London · HA6 3AS
Spanning ages 3 to 18, St Helen's School in Northwood is a large girls' independent school of around 1,133 pupils, with a relatively compact sixth form of 158. Under Head Bridget Ward, it earned an "excellent" judgement from the Independent Schools Inspectorate for both education quality and personal development, and met all compliance standards. The school combines strong academic outcomes with a notable focus on pupil wellbeing, including a phone-free environment for years 7 to 11.
1,133
Pupils
excellent
ISI
£26,616
Day fees / yr
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Open in Google Maps ↗Overview & data
- Gender
- Girls
- Type
- independent (fee-paying) school
- Age range
- 3-18
- Pupils
- 1,133
- Location
- Northwood, Hillingdon, Greater London
- Website
- http://www.sthelens.london
- Telephone
- 01923 843210
Entrance & admissions
- Entry age
- 11
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Headteacher
Head Bridget Ward
Latest results
Attainment 8
73
National average 46.9
GCSE grade 5+ (English & Maths)
95%
National average 47%
GCSE grade 9-7
81%
A-level A*-A
65%
A-level A*-B
87%
Teaching & academics
Results sit well above national benchmarks: an Attainment 8 score of 73 against a national average of 46.9, and 95% of pupils gaining grade 5 or higher in English and Maths compared with 47% nationally. At GCSE, 81% of grades fall in the 9-7 range, with sciences and English well represented among popular subjects. The sixth form is similarly strong, with 65% of A-level entries reaching A*-A and 87% A*-B, and an EPQ available alongside subjects such as Mathematics, Chemistry, Biology and Economics.
Sixth form
- Sixth-form pupils
- 158
Popular A-level subjects
Qualifications offered
Learning support & SEN
- SEN support
- 14.64%
- EHC plans
- 0%
Arts & extracurricular
Scholarships
Languages
Popular GCSE subjects
Beyond the classroom
Chinese is taught as a language, broadening the curriculum beyond more familiar offerings.
Ethos & heritage
- Boarding
- No
Mobile phone policy
Yondr mobile phone pouch for all students in years 7 to 11 to create a phone-free space
Money matters
- Day fees (per year)
- £18,858 - £26,616
- Bursaries up to
- 100% of fees
Means-tested bursaries available. Hardship fund also available.
Inspection reports
- ISI rating
- excellent
- ISI personal development
- excellent
- Last inspected
- 24 September 2024
The last word
An academically high-achieving girls' school where day fees run from £18,858 to £26,616, though means-tested bursaries, a hardship fund and academic scholarships open the door wider.
The Passmate verdict
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St Helen's School 11+: frequently asked questions
Where is St Helen's School located?
St Helen's School is located at Eastbury Road, Northwood, HA6 3AS.
What type of school is St Helen's School?
St Helen's School is an independent (fee-paying) school in Greater London.
How many pupils attend St Helen's School?
St Helen's School has approximately 1,133 pupils on roll.
What is St Helen's School's inspection rating?
St Helen's School is inspected by the ISI and was judged "excellent" at its inspection on 24 September 2024.
Compiled from public data. Last checked June 2026.