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St Mary's School

Secular, Founded 1872

Updated July 2026

3–18Ages
GirlsGender
DayType
6:1Student : teacher
Non-profitOwnership

Accreditations

Languages

English flagEnglishGerman flagGermanFrench flagFrenchSpanish flagSpanish

St Mary’s School is an independent day school for girls aged 3–18 located in Gerrards Cross, dedicated to empowering students to thrive through a holistic and challenging academic environment.

Term structure

Three terms

Teaching approach

St Mary’s is founded on the belief that a happy child is a successful child, fostering a nurturing environment that encourages girls to embrace their unique potential. The school’s ethos is centered on the values of 'Embrace, Empower, Excel,' aiming to build confidence, curiosity, and resilience in every student. It emphasizes a holistic approach to education, where academic challenge is balanced with personal growth and character development.

Programmes

The school offers an all-through education starting from Nursery and Reception, progressing through the Prep Department to the Senior House and Sixth Form. The curriculum is broad and balanced, covering STEM, humanities, and the expressive arts, with students in Year 9 selecting from over 17 GCSE options. The Sixth Form features the 'SMS Ignite' programme, which offers over 27 A Level subjects, the Extended Project Qualification (EPQ), and a specialized Luminary Programme of guest speakers. Small class sizes—averaging 6 students in the Sixth Form—are a hallmark of the academic approach.

Outcomes

Students achieve strong academic results at both GCSE and A Level, with graduates progressing to a variety of destinations including traditional universities, art schools, and degree apprenticeship schemes. The school provides bespoke higher education guidance, including specialized pathways for competitive applications to Oxbridge, Dentistry, Medicine, and Veterinary Science.

Student support

EAL support
Unknown
Learning support
Dedicated department

Learning support

The school provides dedicated learning support led by specialists, including a Director of Learning Support for the Prep department and a Head of Support for Learning for the Senior school. Support is tailored to individual needs, and additional individual learning support sessions are available as a chargeable extra.

Frequently asked questions(7)
What curriculum does St Mary's School offer?
St Mary's School offers IGCSE and Cambridge A-Level.
How much is tuition at St Mary's School?
Annual tuition at St Mary's School is £9.5K–£27.7K. Fees vary by year group — confirm the current schedule with the school.
What ages does St Mary's School teach?
St Mary's School enrolls students aged 3 to 18.
Is St Mary's School a day or boarding school?
St Mary's School is a day school.
What accreditations does St Mary's School hold?
St Mary's School holds accreditations including CIS.
Is St Mary's School co-educational?
St Mary's School is a girls school.
Where is St Mary's School located?
St Mary's School is an international school in Brent, United Kingdom.

Tuition & fees

Annual tuition by grade

2026/27
Annual tuition by grade
GradeAgesAnnual
Nursery3–4£9.5K
Reception4–5£14.4K
Year 15–6£19.3K
Year 26–7£19.3K
Year 37–8£21.5K
Year 48–9£21.5K
Year 59–10£21.9K
Year 610–11£21.9K
Year 7-1111–16£27.7K
Year 12-1316–18£26.7K
Other fees(6)
Other fees
Deposit· Returnable deposit included in the first term invoice, credited against the closing account when the student leaves.£500
Registration fee· For Nursery to Year 2.£100
Registration fee· For Year 3 and above, non-refundable, covers registration and assessment.£200
Meals· Morning break and lunch are included in the termly fees.
Materials· Textbooks and most stationery requirements are included in the termly fees.
Bus / transport· Minibus service is available as a chargeable extra.

Admissions

St Mary’s is an independent day school for girls aged 3–18. Main entry points are Nursery and Reception, Year 3, Years 5 or 6, Year 7, and Year 12, with occasional places available in other year groups. The admissions process focuses on getting to know the whole child through assessment and individual engagement rather than relying solely on test scores. Prospective families are encouraged to book a visit to tour the school.

Calendar

The school operates on a three-term structure: Michaelmas (Autumn), Lent (Spring), and Trinity (Summer). Each term includes a half-term break, and the academic year typically concludes in early July with Speech Day. Term dates are subject to change and are published annually on the school website.

Facilities

Swimming poolSports fieldGymnasiumClimbing wallPlaygroundLibraryDining hallScience labsArt roomMusic roomTheatre / auditorium

About the campus

The campus features two sports halls, one of which includes a climbing wall, and an outdoor Multi-Use Games Area (MUGA) equipped with floodlights for netball, hockey, and football. The school also provides a main hall for music, dance, and drama performances, as well as classrooms equipped with interactive screens and Wi-Fi. These facilities are available for hire by the community during evenings, weekends, and school holidays.

Co-curriculars

The school offers a wide range of enrichment activities, including the Duke of Edinburgh’s Award and Model United Nations. Students can participate in various clubs such as Art History, Film, and Current Affairs, or take on leadership roles by coaching junior sports teams or mentoring younger pupils. The school also hosts international trips, such as recent visits to Washington DC, Florence, and Rome, and provides opportunities for performance in senior choirs and drama productions.

  • Mr Lars FoxHead

    Mr Lars Fox is the Head of St Mary's School.

  • Mrs Katie CorkDeputy Head (Academic)

    Mrs Katie Cork holds a BA in Psychology (Hons) from Durham and an MEd in Educational Research from Macquarie University. She is a Chartered Psychologist (CPychol) with the British Psychological Society and serves as Deputy Head (Academic).

  • Mrs Mairead CarneyDeputy Head (Head of Prep & DSL)

    Mrs Mairead Carney holds a BA (Hons) from the University of Galway and serves as the Deputy Head (Head of Prep & DSL).

  • Mrs Grace StaceyAssistant Head (Pastoral)

    Mrs Grace Stacey holds a BA (Hons) from the University of Brighton and serves as Assistant Head (Pastoral). Her main teaching subject is Physical Education.

  • Mrs Elaine McNallyAssistant Head (Teaching and Learning)

    Mrs Elaine McNally holds an MA from the Open University and a BA Hons from the University of West of England. She serves as Assistant Head (Teaching and Learning) and her main teaching subject is English.

  • Mrs Nicky WebbBursar

    Mrs Nicky Webb serves as the Bursar for the school.

  • Mrs Victoria WilliamsDirector of Marketing and Communications

    Mrs Victoria Williams serves as the Director of Marketing and Communications.