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Photo of St Mary's School (Gerrards Cross)
Reviewed

St Mary's School (Gerrards Cross)

Independent school · Gerrards Cross, SL9 8JQ
  • All through
  • Girls
  • Ages 3-18
  • From £13,104 pa
  • 440 pupils
We've reviewed this school • Unlock to access

A busy, happy school where girls aged from 3-18 flourish. Of course results are impressive but even more so is the unequivocal attention to each individual child: their well-being, personal strengths and unique challenges. Pupils are encouraged and supported to run their own best race, having great fun and making life-long friends along the way.

Why read our school review?

Unlike other websites, schools can't pay to be included in The Good Schools Guide. This means our review of this school is independent, critical and fair, and written with parents' best interests at heart.

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Overview & data

Pupil numbers
440 ·
Sixth form numbers
52 ·
Religion
Anglican
Fees
£13,104 - £26,676 pa
Local authority
Buckinghamshire County Council
Area guides

Headteacher

Head

Mrs Patricia Adams

Since 2018, Patricia Adams MA PGCE. BA in French and Spanish at St Catherine’s, Oxford, MA in applied linguistics at University of Essex and returned to Oxford for PGCE in modern languages. Previously academic deputy head at Blackheath High.


Entrance

Entry from nursery at 3+ includes a stay and play morning to assess suitability. For reception there’s a stay and play. For year 3 there’s a taster day where children are buddied with older children and experience a range of fun activities while

Open days
See website for details

Exit

Over 80 per cent of prep pupils move up to the senior school, with a few off to local Bucks grammar schools, boarding or co-ed. Post-GCSE, around 40 per cent of pupils leave, not to competitors but for a different education model. Post-A level,


Latest results

In 2025, almost 50 per cent 9-7 at GCSE; 64 per cent A*-B at A level.

A level - Average points score (2024)

School
35.62
LA avg.
39.64
Eng. avg.
34.45
Data highlight

What is this?

These figures tell you the average grade and average points that pupils achieved in their academic qualifications. A maximum of 60 points are available for a grade A* at A level.


Teaching & learning

Little St Mary’s (nursery and early years) is popular and, with ample space, fab facilities and encouraging staff, it’s easy to see why. There’s a designated brightly coloured outdoor play area with adventurous equipment and a quiet space to the

Qualifications taken in 2024
  • A level
  • EPQ
  • GCSE
  • VRQ
16
Average class sizes

Learning support & SEN

St. Mary’s does learning support differently. It has been given the positive acronym LEAPS to avoid negative connotations sometimes attached to SEN. The department isn't tucked away but in pride of place at the top of a grand sweeping staircase above

2.28 %
Students with a SEN EHCP
44.42 %
Students with SEN support

Arts & extracurricular

Art is bold and imaginative. Displayed attractively throughout school but especially in the roomy art studio where senior school work is showcased. Charismatic and inspiring art teacher makes sure her year 7 pupils have the strongest foundation,


Sport

PE is taught four times weekly. Top billings are netball (year 8 got to national finals) and gym (top placings at nationals and gold overall) but success at ISA in badminton too. Hockey and rounders teams in seniors with friendly fixtures for more


Ethos & heritage

Founded in Paddington in 1872 as a pioneering school for girls, run by Anglican nuns (and still broadly Church of England). Moved to current premises in 1938 and senior school is housed in a beautiful white Elizabethan manor house. Has benefitted


Pastoral care, inclusivity & discipline

Holistic school in all regards and builds confidence right from the get-go. One parent told us, ’They know all the children and so know when something isn’t right. We’ve found issues are spotted quickly - no one goes under the radar.’ In prep there’s


Mobile phone policy

A clear mobile phone policy is a really important part of modern schooling. This school has provided us with their policy.

Mobile phone policy

Provided by the school and not part of our review

No mobile phones allowed in prep. Senior house students must hand their phones in at the beginning of each and collect at the end sixth form are allowed to use their phones in certain areas in the designated Sixth form centre but nowhere else in the school.

Updated Sep 2025

Pupils & parents

Pupils are spirited and embrace challenge but also have a good sense of fun. One year 6 told us that her favourite time of the week was Fri-yay which is music and dancing around the classroom, ‘We get to be silly and get our bodies moving to music.’

440
Number of pupils

Money matters

No bursaries or scholarships in prep. At 11, academic, art, music, drama and sport scholarships are available, while at 16 dance scholarships are added to the mix. These are open to existing and new pupils. Small number of means-tested bursaries in

Fee information
£13,104 - £26,676 pa

The last word

A busy, happy school where girls aged from 3-18 flourish. Of course results are impressive but even more so is the unequivocal attention to each individual child: their well-being, personal strengths and unique challenges. Pupils are encouraged and

St Mary's School (Gerrards Cross) school badge

What the school says

Academic approach

At St Mary’s we create lovers of learning who are ambitious, determined in their pursuit of success, recognising equally their own strengths and talents and playing to these. We provide a rich and broad curriculum from nursery through to year 13 which enables students to try expressive arts, humanities, languages and a wide range of sports alongside STEM.

Students embrace warmly the opportunity to learn, be curious, ask questions to take their learning further and show their sense of adventure to share opinions and contribute to a vibrant learning environment. Our classes are purposefully small, creating opportunities for students to engage fully with their learning and to build strong relationships with their teachers. Students enjoy being challenged to fulfil their academic potential under the gentle tutelage of their teachers who know them, what they can achieve and how they can thrive. Our staff are dedicated members of our community who are passionate about bringing the best out in students through a varied and interesting curriculum offering.

Knowing each student means that challenge in work is adapted for each individual and we provide opportunities for them to excel with the support and guidance of our academic teams. Where possible, we take learning outside the classroom, embracing the benefit of our proximity to central London to attend lectures and workshops or visits to venues known for this learned value. Bringing learning to life through theatre visits, workshops on Romeo and Juliet, lectures by leading neuroscientists on how the brain works as part of biology and psychology, show that for St Mary’s private school students, learning has no boundaries.

Creating a culture of academic success comes through a focus on showing students how to learn and focusing on the development of the character values that we hold central to our community. We support and challenge our pupils to be ambitious, to be adventurous through the pursuit of something new, to be resilient through their learning journey, learning what success looks like through failure and how success is within everyone’s grasp. Our students embrace the challenge to be ambitious in the pursuit of their own excellence.

Pastoral care and wellbeing

Pastoral care is at the heart of everything we do because we know that girls achieve their best when happy. Character education is a deliberate and purposeful part of our pastoral support. Our goal is to nurture in our students the social and emotional qualities that promote the character virtues in TAKE CARE so that they can create positive relationships and navigate social situations in a constructive manner. Through our pastoral programmes, we help our students to develop the attitudes, behaviours and strategies that underpin success both in educational and professional settings. They become resilient, confident and ambitious and have a strong set of core values and an assured sense of their own identity and roles and responsibilities in the world. They are ready to embrace challenges that they will encounter in life after St Mary’s.

Last updated 18 October 2024

Key links to information you need

Contact the school

Address

Packhorse Road
Gerrards Cross
Buckinghamshire
SL9 8JQ
Get directions

Have you considered?

School data & information St Mary's School (Gerrards Cross) Packhorse Road, Gerrards Cross, Buckinghamshire, SL9 8JQ
440 Pupil numbers
52 Sixth form numbers
16 Average class sizes

Mobile phone policy

Provided by the school and not part of our review

No mobile phones allowed in prep. Senior house students must hand their phones in at the beginning of each and collect at the end sixth form are allowed to use their phones in certain areas in the designated Sixth form centre but nowhere else in the school.

Updated Sep 2025
Our review contains additional results data reported to us by St Mary's School (Gerrards Cross) and is updated annually. See the review

We do not receive results data for this school. Find out more.

GCSE-level results data is not reliably reported on for independent schools. We have chosen to show only the results achieved in individual subjects. Find out more

Subjects entered at GCSE level (2024)

Pupils attending this school entered exams in these subjects. The list only includes qualifications approved for inclusion in the performance measures. The subjects and qualifications on offer at this school may change year on year. For a full list of subjects and qualifications on offer at this school, visit the school or college website or contact the school directly. Find out more

Subject Qualification Entries Avg. grade
Spanish GCSE (9-1) Full Course 28 6
Religious Studies GCSE (9-1) Full Course 24 7
Physics GCSE (9-1) Full Course 13 6
Physical Education/Sports Studies GCSE (9-1) Full Course 8 8
Media/Film/Tv Studies GCSE (9-1) Full Course 12 7
German GCSE (9-1) Full Course 7 6
Geography GCSE (9-1) Full Course 12 8
French GCSE (9-1) Full Course 10 7
English Literature GCSE (9-1) Full Course 47 7
Drama & Theatre Studies GCSE (9-1) Full Course 16 8
D&T Food Technology GCSE (9-1) Full Course 12 6
Chemistry GCSE (9-1) Full Course 13 7
Business Studies:Single GCSE (9-1) Full Course 22 6
Biology GCSE (9-1) Full Course 13 7
Art & Design (Textiles) GCSE (9-1) Full Course 8 5
Art & Design (Fine Art) GCSE (9-1) Full Course 16 6

% of pupils achieving AAB or higher, including at least 2 facilitating subjects (2024)

School
5%
LA avg.
31.6%
Eng. avg.
17.1%

What is this?

Facilitating A levels are ones that are commonly needed for entry to leading universities. They are: biology, chemistry, physics, mathematics, further mathematics, geography, history, English literature and classical or modern languages. The % of pupils achieving AAB or higher may therefore decrease if many pupils have opted not to take two or more of the facilitating subjects mentioned.

Average points score (2024)

School
35.62
LA avg.
39.64
Eng. avg.
34.45

What is this?

These figures tell you the average grade and average points that pupils achieved in their academic qualifications. A maximum of 60 points are available for a grade A* at A level.

Subjects entered at 16 to 18 (2024)

Pupils attending this school entered exams in these subjects. The list only includes qualifications approved for inclusion in the performance measures. The subjects and qualifications on offer at this school may change year on year. For a full list of subjects and qualifications on offer at this school, visit the school or college website or contact the school directly. Find out more

Subject Qualification Entries Avg. grade
Sociology GCE A level 8 A
Psychology GCE A level 9 B

Entry and exit data

Here we report figures on pupils moving between schools at the usual entry and exit points, as well as student destinations into higher education. We publish publically available data for state schools. For independent schools, The Good Schools Guide collects data from its prep schools as to where their pupils go on to. Find out more

Our review contains additional entry and exit data reported to us and is updated annually. See the review

Recent feeder schools

SEN overview

St Mary's School (Gerrards Cross) is a mainstream school. The school may provide support for students with special educational needs as detailed below. If you require more information on conditions the school can support, we encourage you to contact the school directly.

SEN statement

Provided by the school and not part of our review

St Mary's aims to support girls with special educational needs to achieve their potential, and to boost their confidence and self esteem. A learning support teacher offers guidance to girls who have sought help themselves, or have been recommended for such help by parents, teachers or educational psychologists. This teacher acts as a channel communication between these parties, as well as providing specific help. It may take the form of class support, individual or group sessions, covering: spelling, a wide range of study skills- including organisation skills, time management, question analysis and planning an answer, effective reading and note taking advice, revision and examination techniques, and counselling.

2.28 %
Students with a SEN EHCP UK mainstream school avg. 2.7%
44.42 %
Students with SEN support UK mainstream school avg. 12.9%

SEN conditons supported

Schools report the conditions they might be able to support. Please note, this may not be a complete list. Find out more.

Conditions (Might cover/be referred to as) Provision
ASD - Autistic Spectrum Disorder Aspergers, Autism, High functioning autism, Neurodivergent, Neurodiversity, Pathological Demand Avoidance (PDA), Social skills Yes
HI - Hearing Impairment Yes
MLD - Moderate Learning Difficulty Learning needs
MSI - Multi-Sensory Impairment Sensory processing
OTH - Other Difficulty/Disability Downs Syndrome, Epilepsy, Genetic, Tics, Tourettes Yes
PD - Physical Disability
PMLD - Profound and Multiple Learning Difficulty Complex needs, Global delay, Global developmental delay
SEMH - Social, Emotional and Mental Health Anxiety, Complex needs, Emotionally based school avoidance (EBSA), Mental Health Yes
SLCN - Speech, Language and Communication Selective mutism Yes
SLD - Severe Learning Difficulty Complex needs
SpLD - Specific Learning Difficulty Attention Deficit Hyperactivity Disorder, Auditory processing, Developmental Co-ordination Difficulties (DCD), Dyscalculia, Dysgraphia, Dyslexia, Dyspraxia, Handwriting Yes
VI - Visual Impairment Special facilities for Visually Impaired
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