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Photo of Marymount International School (London)
Reviewed

Marymount International School (London)

Non-profit school · Kingston-on-Thames , UK
  • Ages 11-19
  • Girls
  • From £ 31,320 pa
  • 235 students
  • Boarding available
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Girls arrive brimming with enthusiasm and leave bursting with confidence. This small international school that ‘feels like family’ offers top-notch academics within a nurturing environment in which girls can bloom without going wild. A super balance between traditional and progressive, ideal for those looking for an IB programme and global outlook.

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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

Student numbers
235
Curricula
  • International
SEN provision
SEN considered case by case
Offers boarding
Boarding available
Religion
Catholic
Fees
Day £ 31,320; Boarding £ 50,760 - £ 53,010

Head of school

Headmistress

Margaret Giblin

Since 2021, Margaret Giblin, previously deputy head at Woldingham Catholic School for Girls, which she joined in 2012. Experience in education spans over two decades in both the UK and Ireland (her homeland). MA in Catholic school leadership from St


Entrance

Girls arrive from schools across London and overseas; no feeders though school is now engaging with local prep schools to build understanding of the IB. Top heavy; approximately 25-30 girls arrive in grade 6 (equivalent year 7) and numbers continue


Exit

2024 University destinations: In the UK - Imperial College, Cambridge University, University of Warwick, Duham University, Oxford University, University of Edinburgh, University of St Andrews, London School of Economics, University of London,


Latest results

In 2024, average IB diploma score of 36 per cent with 33 per cent achieving a bilingual diploma.

In 2023, average IB diploma score of 36 including one 45 (full marks); 36 per cent scored 40 or more and 43 per cent gained bilingual certificates.


Teaching & learning

Only all-girls Catholic day and boarding school in the UK to offer the IB; and school embraces it, confident in what it has taught expertly for over forty years. The IB follows a ‘concept and context-driven’ programme, meaning concepts are taught and

Curricula & qualifications
  • International - International Baccalaureate (Diploma)
  • International - International Baccalaureate Middle Years Programme (MYP)

Learning support & SEN

‘Amazing’, ‘outstanding’, we heard countless times, specifically for the head of learning support, who parents say readily offers help regardless of diagnosed needs or not. Students may visit the department voluntarily to hone their learning skills


Arts & extracurricular

‘The amount they do for a small school is fantastic,’ say parents. Performing arts, dance and theatre all hugely popular. School sees these as important – to ‘learn grace and poise’ as well as to develop performance and public speaking confidence.


Sport

The international nature of the school is most keenly felt in the sports department. Not your typical array of London school sports (netball et al) but rather varsity and junior varsity teams in eg badminton, volleyball, tennis and soccer. Other


Boarders

‘When you enter this loving school consider yourself one of the special members of this epic family’ – the boarding house welcome sign (created by two grade 8s) sums it up neatly. A quarter of all girls are boarders, very few in younger grades but


Ethos & heritage

One of the 19 RSHM – Religious of the Sacred Heart of Mary – global network of schools across Europe, South America, US and Africa. Marymount London was established in 1955, with sisters on site for over 60 years (playing host to Mother Teresa of


Pastoral care, inclusivity & discipline

‘Caring not nosy. They call to say, “She feels a bit tired, is there something we should be aware of?”’ say thankful parents. Kindness and respect nurtured in equal measures. The school counsellor is on site three times a week (available after school


Classroom & community

A small school with a big reach – 55 nationalities at the last count. Most families live locally – Kingston, Kew, Wimbledon etc – but are largely either long-term expats living in the UK (often citing the school as the reason for bedding in) or

School year
Late August – mid June
School hours
8:25am – 3:55pm
Student nationalities
British 33%, Japanese 9%, Spanish 8%, South Korean 8%, US 7%, Chinese (Hong Kong) 6%, German 5%, Italian 4%, Chinese (China) 3%
Uniform requirements
Yes

Money matters

Expensive, even in comparison to other fee-paying schools in this affluent area of London. ‘Is it worth the money? Absolutely,’ say parents, noting the individual attention, superb quality of learning, the clubs and ‘that beautiful campus’. A dozen

Annual fee range
Day £ 31,320; Boarding £ 50,760 - £ 53,010
Fee information
Application fee: £ 150
Confirmation fee (non-refundable): Day £ 1,500, Boarding £ 2,500
Deposit (refundable): Day £ 300, Boarding £ 750
Exam fees: £ 400
Bus service (optional), some books, educational trips

The last word

Girls arrive brimming with enthusiasm and leave bursting with confidence. This small international school that ‘feels like family’ offers top-notch academics within a nurturing environment in which girls can bloom without going wild. A super balance


Accreditations, inspections & memberships

Accreditations/Inspections
    Council of International Schools (CIS)
    Middle States Association of Colleges and Schools (MSACS or MSA)
    Ofsted
    Authorised by International Baccalaureate Organization (not to be confused as an inspection or accreditation agency)
Memberships
BSA, GSA, NCGS.
Marymount International School (London) school badge

What the school says

Founded in 1955 as the first all-girls' school in the United Kingdom to adopt the International Baccalaureate curriculum (Middle Years Programme and IB Diploma Programme), Marymount International School London welcomes curious, motivated and academically ambitious students from a diverse range of faiths and cultural backgrounds.

Located just 12 miles from central London, with excellent school and public transport links to surrounding areas, Marymount offers both day and boarding (full, weekly and flexi) options. Heathrow and Gatwick airports are both within easy reach.

Consistently achieving significantly above the global points average and currently ranked as one of the best IB Schools worldwide, Marymount offers a broad, holistic, academically challenging programme that encourages critical thinking, collaborative learning and global contextualisation. Small classes and a stimulating teaching environment ensure that students are appropriately challenged and encouraged to develop their intellectual potential and grow in confidence as independent thinkers.

The Middle Years Programme (grades 6 to 10, equivalent to UK years 7 to 11) encourages students to draw meaningful connections between eight broad and varied subject groups. With a central focus on the development of conceptual understanding and effective approaches to learning (ATL) skills, the MYP is a student-centred, inquiry-based programme rooted in interdisciplinary learning.

The IB Diploma Programme (grades 11 and 12, equivalent to UK sixth form) builds on the strong foundation of the MYP. Students study six subjects, three at higher level and three at standard level, in addition to ‘the core’ (theory of knowledge, extended essay and CAS – creatively, activity and service). Graduates of the IBDP leave Marymount to take up university placements at a range of top universities, both in the UK and around the world.

Marymount’s beautiful seven-acre garden campus provides outstanding facilities, including a STEAM hub, sports hall, dance studio, tennis courts and an all-weather pitch. Boarding facilities are modern and well-appointed, with rooms for two, three and four students, each with a dedicated bathroom.

Main entry points are grade 6 (11+) and 11 (sixth form), although year-round rolling admission into all year groups is offered according to availability of places. The admissions process includes written assessments in maths and English, an individual interview (either in-person or online) and copies of the last two years’ school reports. A reference from the current school will also be requested.

Last updated 10 July 2025

Key links to information you need

Contact the school

Address

George Road
Kingston-on-Thames
Surrey
KT2 7PE
UK
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Have you considered?

School data & information Marymount International School (London) George Road, Kingston-on-Thames , Surrey, KT2 7PE , UK
235 Pupil numbers
Our review contains additional results data reported to us by Marymount International School (London) and is updated annually. See the review

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

Entry and exit data

We do not have entry or exit data for pupils at this school. Find out more


SEN overview

SEN conditons supported

No information available from the school. Find out more.

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