St Helen's School
Northwood · HA6 3AS
St Helen's is a leading independent all-through girls' day school in Northwood serving 1,211 pupils from age 3 to 18. The school emphasises character development alongside academic excellence, with core values of courage, integrity, kindness, and resilience woven through its three pillars of academic, co-curricular, and pastoral provision. Strong sixth-form results (82% A*–B at A Level; 68% to first-choice universities) reflect a rigorous but supportive approach.
- →Consistently strong A Level and GCSE results with high progression to leading universities
- →Holistic ethos balancing academic rigour with character development and wellbeing
- →Extensive co-curricular offer including STEM specialism (Centre for Advanced Mathematics, National Maths and Physics SCITT) and strong pastoral care
Who thrives here
Intellectually curious girls seeking a well-rounded education in a supportive day-school environment, particularly those interested in STEM or leadership development. Suits families valuing character education and a strong pastoral structure.
Strengths at a glance
Percentiles within UK independent + grammar schools we track.
At a glance
Contact & visit
Eastbury Road
Northwood
HA6 3AS
Nearest stations
Recent investment
Frequently asked questions
What are the fees at St Helen's School?
Day fees at St Helen's School are approximately £29,277 per year (2025/26).
How do you get into St Helen's School?
St Helen's School admits pupils at 3+, 4+, 7+, 8+, 11+, 13+, 16+. Entry is assessed by 11+ Selective Examination. See the Admissions section above for open days and key dates.
What are St Helen's School's exam results?
At St Helen's School, 43.9% of A-levels were graded A*–B and 79% of GCSEs were grade 7/A or above. Full results are in the Results section above.
Is St Helen's School a boarding school?
St Helen's School is a day school in Northwood and does not offer boarding.
What is St Helen's School's latest inspection rating?
ISI rated St Helen's School “Excellent” (2021). This grading is no longer issued — both inspectorates have since changed how they report outcomes.
Further reading
What parents say
Frequently praised
✓Strong academic results and university progression, particularly to top universities
✓Holistic pastoral care and wellbeing support with accessible staff
✓Thriving co-curricular provision with extensive clubs and leadership opportunities
✓STEM specialism and advanced mathematics programme attractive to science-minded girls
Common concerns
!Not yet inspected by Ofsted, so no external validation of quality available; parents rely on results and anecdote
!Day school only may not suit families needing flexible wraparound care
!Limited transparency on SEND provision and specialist support online