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Photo of St Mary's School, Cambridge
Reviewed

St Mary's School, Cambridge

Independent school · Cambridge, CB2 1LY
  • All through
  • Girls
  • Ages 3-18
  • From £16,170 pa
  • 510 pupils
  • Boarding
We've reviewed this school • Unlock to access

An all-girls school under inspirational leadership that offers an excellent education both academically and pastorally. In an atmosphere of acceptance, girls develop strong friendships and the confidence to work and plan for their own futures. Brings out the best.

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
510 ·
Sixth form numbers
70 ·
Offers boarding
Yes ·
Religion
RC
Fees
Day £16,170 - £25,425; Boarding £46,020 - £54,630 pa
Local authority
Cambridgeshire County Council

Headteacher

Headmistress

Mrs Hannah Helliar

Since September 2024, Hannah Helliar. Educated at Woldingham School, where she was head girl, and Brasenose College, Oxford, where she read ancient and modern history. She held a number of roles, including housemistress, head of history and head of


Entrance

For entry into pre-prep and junior, tests are within a class setting where counting, shape sorting and language skills are observed. ‘My daughter loved every minute of her assessment – I was the anxious one,’ said a parent. The staff look out for

Open days
October and March

Exit

The transition from junior to senior school is more or less automatic. The very few who are clearly unsuited are notified in good time. A sizeable chunk (usually around half though more have stayed on recently) leave after GCSE, generally for the


Latest results

In 2025, 63 per cent 9-7 at GCSE; 54 per cent A*/A at A level (77 per cent A*-B).

A levels or equivalent - Average points score (2024)

School
43.86
LA avg.
36.69
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

Results are impressive for a school that isn’t highly selective. ‘We take a broad spectrum of ability – and relish the challenge!’ says head. The high performance learning (HPL) strategy provides a framework for best practice in teaching and learning

Qualifications taken in 2024
  • A level
  • EPQ
  • GCSE
6-20
Average class sizes

Learning support & SEN

Roughly 250 girls receive some kind of learning support, including those who have help with EAL (roughly half of those from overseas). Most have mild to moderate difficulties including dyslexia and dyscalculia. ‘There is no stigma, lots of us have

0.17 %
Students with a SEN EHCP
27.13 %
Students with SEN support

Arts & extracurricular

Art taken seriously. One of the most popular choices at GCSE and A level, with excellent results and several going on to specialist colleges. Every available space in the studios, stairs and hallway is covered with the girls’ work including a large


Sport

The sports programme aims to encourage a healthy lifestyle and love of the outdoors as well as proficiency. From the juniors up girls use the sports ground at Long Road, a short minibus drive away, for hockey, touch rugby and football as well as


Boarders

Boarders largely international, mostly from south-east Asia. They live in nearby Mary Ward House on the other side of the Botanical gardens – a good five-minute walk back and forth, which girls welcome. ‘Helps to mark the end of the school day,’

51
Total boarders
43
Full time boarders
8
Weekly boarders

Ethos & heritage

Founded in 1898 and inspired by the life of Mary Ward (1585-1645), a pioneer of education for girls, this is now the only single-sex school remaining in Cambridgeshire. It is proud of this distinction and has no plans to change. Underpinned with a


Pastoral care, inclusivity & discipline

Pastoral support comes in for high praise from both girls and their parents. ‘It runs through the place like lettering in a stick of rock,’ said one. A sixth former told us, ‘It’s not a cliquey place, we have our close friends but everyone gets on


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

The school recommends that parents only give their child technology to reflect their emotional maturity. Years 5-6 can attend school with mobiles but must hand these in at the beginning of school and collect at the end of school. Years 7-10 hand mobiles to reception at the start of school and collect at the end of school. Year 11 may keep mobiles in their bag, locker or blazer pocket and can use in the dining room, forms rooms and library. Years 12-13 are allowed mobiles in the sixth form areas. Students with phones must switch them off in lessons, corridors and between 12-2pm.

Updated Sep 2025

Pupils & parents

Very Cambridge, so lots of academics, medics and scientists among parent body. Some are old girls, one of whom told us, ‘We left the final choice to our daughter and it’s been perfect for her.’ All in favour of single-sex education, some having

510
Number of pupils

Money matters

Scholarships offered across the curriculum for nominal amounts, commonly £500. Bursaries (means-tested) are available via the school or through the Royal National Springboard Bursary Scheme. Awards are given up to 110 per cent of fees (to include

Fee information
Day £16,170 - £25,425; Boarding £46,020 - £54,630 pa

The last word

An all-girls school under inspirational leadership that offers an excellent education both academically and pastorally. In an atmosphere of acceptance, girls develop strong friendships and the confidence to work and plan for their own futures. Brings

What the school says

St Mary’s School, Cambridge, is where bright futures begin. As a leading independent day and boarding school for girls aged 3-18, we inspire ambition and open doors to the world’s top universities and careers. Since 1898, our education - designed specifically for girls - has nurtured intellectual curiosity, confidence and leadership. Here, every girl is empowered to aim high, thrive academically and shine in her own way. Whether she’s a sports star, performer, creator or thinker, we celebrate her individuality and support her journey to success. At St Mary’s, girls don’t just learn - they flourish.

Contact the school

Address

Bateman Street
Cambridge
Cambridgeshire
CB2 1LY
Get directions

Have you considered?

School data & information St Mary's School, Cambridge Bateman Street, Cambridge, Cambridgeshire, CB2 1LY
510 Pupil numbers
70 Sixth form numbers
51 Total boarders
43 Full time boarders
8 Weekly boarders
6-20 Average class sizes

Mobile phone policy

Provided by the school and not part of our review

The school recommends that parents only give their child technology to reflect their emotional maturity. Years 5-6 can attend school with mobiles but must hand these in at the beginning of school and collect at the end of school. Years 7-10 hand mobiles to reception at the start of school and collect at the end of school. Year 11 may keep mobiles in their bag, locker or blazer pocket and can use in the dining room, forms rooms and library. Years 12-13 are allowed mobiles in the sixth form areas. Students with phones must switch them off in lessons, corridors and between 12-2pm.

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

This is an independent school and therefore does not have Key Stage 2 SATs results. While some independent schools choose to sit SATs, they are not required to do so and the UK government does not collect or publish their results. 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 15 8
Religious Studies GCSE (9-1) Full Course 82 8
Music GCSE (9-1) Full Course 7 9
Mathematics GCSE (9-1) Full Course 83 7
Latin GCSE (9-1) Full Course 8 6
German GCSE (9-1) Full Course 7 9
Geography GCSE (9-1) Full Course 28 8
French GCSE (9-1) Full Course 21 8
English Literature GCSE (9-1) Full Course 71 7
English Language GCSE (9-1) Full Course 72 7
Drama & Theatre Studies GCSE (9-1) Full Course 29 7
Design & Technology GCSE (9-1) Full Course 10 8
D&T Food Technology GCSE (9-1) Full Course 15 7
Computer Studies/Computing GCSE (9-1) Full Course 12 7
Classical Civilisation GCSE (9-1) Full Course 27 7
Chinese GCSE (9-1) Full Course 17 9
Art & Design (Fine Art) GCSE (9-1) Full Course 23 8

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

School
33.3%
LA avg.
22.3%
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
43.86
LA avg.
36.69
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 10 A
Psychology GCE A level 9 A
Mathematics GCE A level 19 B
History GCE A level 10 A
Geography GCE A level 8 A*
Drama and Theatre Studies GCE A level 6 A
Chinese GCE A level 8 A*
Chemistry GCE A level 15 A
Business Studies:Single GCE A level 7 A
Biology GCE A level 17 A

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, Cambridge 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

We offer in-house assessment of any pupil who enters the school with an existing educational psychologist's report or whose performance in school raises cause for concern. Pupils who have been identified as requiring extra assistance in literacy, numeracy or other study skills are offered help according to their needs. Some have private lessons in or outside lesson times with a peripatetic dyslexia specialist; others are offered tuition in small groups by members of St Mary's staff. In some cases, pupils may follow a reduced timetable in order to meet their needs. 10-09

0.17 %
Students with a SEN EHCP UK mainstream school avg. 2.7%
27.13 %
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
MLD - Moderate Learning Difficulty Learning needs
MSI - Multi-Sensory Impairment Sensory processing
OTH - Other Difficulty/Disability Downs Syndrome, Epilepsy, Genetic, Tics, Tourettes
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
SLCN - Speech, Language and Communication Selective mutism
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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