International School of London, London
International School of London is an independent school for pupils aged 3 to 18 in London. It was rated Good at its last graded Ofsted inspection, in November 2023.
- Ofsted
- Good (2023)
Data last updated 26 Oct 2026
International School of London in detail
International School of London in its own words
In its own words: "Since 1972, we have established a welcoming and inclusive community. Our diverse cultures and languages drive all our learning experiences. We nurture creativity and curiosity to stimulate deep thinking. We foster insight, compassion and resilience to enable us to play a meaningful part in a changing world."
Clubs and activities named on the school's website include football, rugby, cricket, tennis, basketball, badminton, yoga, drama, STEM and photography.
The school runs after-school care.
Vision and values (school website)Clubs (school website)Wraparound care (school website)
Source: The school's own website
Compared with nearby schools
The nearest other independent schools to International School of London are Kew House (0.4 miles), Heathfield House School (0.7 miles), Kew Green Preparatory School (0.8 miles) and Kew College (1.1 miles).
Kew HouseHeathfield House SchoolKew Green Preparatory SchoolKew College
Who goes there
In 2026, 77 pupils (25.8%) received SEN support and 1 (0.3%) had an education, health and care plan.
Getting there
The nearest railway station is Gunnersbury Station, about 640 metres away (roughly a 8-minute walk).
2 bus stops are within a five-minute walk; the closest is Power Road, 310 metres away.
The area around the school
In August 2026, police recorded 583 crimes within a mile of the school, most often anti-social behaviour, violence and sexual offences and vehicle crime. That is well above the typical figure around schools in Hounslow (388), as is usual near a town centre.
Sources: DfE school census and special educational needs statistics; NaPTAN (Department for Transport); English Indices of Deprivation 2025 (MHCLG); data.police.uk street-level crime
Key Information
DfE GIASOfsted Rating
Ofsted · 3 years agoOverall
Quality of Education
Behaviour & Attitudes
Personal Development
Leadership & Management
Early Years
Sixth Form
Safeguarding: effective
Independent school standards
Met all the independent school standards.
- Part 1: quality of educationMet
- Part 2: pupils' spiritual, moral, social and cultural developmentMet
- Part 3: welfare, health and safetyMet
- Part 4: suitability of staff and proprietorsMet
- Part 5: premises and accommodationMet
- Part 6: information for parentsMet
- Part 7: handling of complaintsMet
- Part 8: leadership and managementMet
Source: Ofsted, non-association independent schools inspections and outcomes (Open Government Licence)
Ofsted Insights
From Ofsted's November 2023 inspection report.
What This School Does Well
International School of London excels at creating an inclusive, multilingual environment where pupils thrive. The school's carefully planned curriculum ensures pupils develop both subject knowledge and essential skills like communication and research across all age groups. With strong support systems for additional language learners and those with learning needs, plus excellent enrichment opportunities including trips, sports and community service, the school provides a well-rounded education that prepares pupils for their futures.
Key Strengths
- Well-structured curriculum that builds knowledge cumulatively across all phases, with strong emphasis on vocabulary and language development
- Effective support for pupils with English as an additional language and those with special educational needs
- Strong focus on reading with skilled phonics teaching and high-quality books available
- Broad range of enrichment activities including sports, music, arts, technology, community service and educational trips
- Calm, orderly classrooms with sensible pupil behaviour and high attendance rates
Areas for Improvement
- Teachers do not routinely check pupil understanding in class, particularly in secondary phase, meaning some knowledge gaps are not identified quickly
- Tasks set for pupils are not always tailored carefully to individual needs
- Leadership and proprietor oversight of school effectiveness lacks rigour and consistency in some areas
- Planning and delivery of relationships, sex and health education is not uniformly strong across all phases
Safeguarding
Safeguarding arrangements are effective.
Extracurricular Activities
Student council, student ambassadors, Fox Media news group, sports, music, arts and crafts, technology, charity work, visits to art galleries and theatres, museum visits, local park nature exploration, residential journeys for each year group
International School of London is a good independent school serving pupils aged 3-18 with an emphasis on modern foreign languages and the International Baccalaureate curriculum. The school maintains good standards across all areas including early years and sixth form provision.
At a Glance
No
Boarding
Yes
Nursery
Yes
Sixth Form
No
Special Measures
How Does This School Compare?
Ranked against 5 nearby all-through schools
Latest from International School of London
Read more about How To Choose An International School In London Before September
15 Jul 2026
Read more about A world of languages, under one roof
26 Feb 2026
Read more about ISL's student-led Peace Curriculum: Empowering young voices for global understanding
24 Oct 2025
Read more about ISL wins prestigious Excellence in Education Award 2025
5 Jun 2025
Read more about Richard Parker elected as Board Chair for ECIS
28 May 2025
Read more about Shortlisted for Excellence in Education Award 2025
15 May 2025
From International School of London's website. School Signal is not affiliated with the school.
Social & online
Keep up with International School of London
Before and after school care
Clubs on Ofsted's childcare register at or near International School of London.
- Chiswick W4290m away · Not yet graded
- Aktiva Camps @ Kew House460m away · Not yet graded
- Dolce Senso Bake N Play After School Club940m away · Not yet graded
- Dolce Senso Bake N Play After School Club940m away · Not yet graded
- First Class Learning - Acton1000m away · Not yet graded
Getting There
Train Stations
Tube / Metro / Tram
Bus Stops
Safety and surroundings
Road collisions within 500 m (2021 to 2025)
- Collisions
- 81
- Fatal
- 1
- Serious
- 8
- Children hurt
- 2
Within 500 m of the school's mapped location, police recorded 81 road collisions in which someone was injured in 2021 to 2025: 1 fatal, 8 serious and 72 slight.
2 children aged 0 to 15 were hurt: 1 on foot and 1 on a bicycle.
17 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included.
The typical figure for schools in Hounslow is 52.5 (the median across 90 schools, same distance and years).
Serious and slight counts use the Department for Transport's severity adjustment, which allows for changes in how police forces record injuries; they are estimates, rounded to whole numbers. Distances are in a straight line. Source: Department for Transport, Road Safety Data (STATS19), Open Government Licence v3.0.
Commute and house prices
Capacity & Demand
School Occupancy
50%
Available places
298 pupils
600 places
302 spare places
as recorded on GIAS
Area Demand Pressure - London
Based on MHCLG Live Table 122 (2024-25, last 5 years) for London
Across Hounslow council
Places available
3,076
Applications
3,156
Got 1st preference
68.9%
Got preferred school
95.6%
All secondary applications across Hounslow council (2026/27), not just this school.
Inspection History(5)
SEND & SEN Provision
SEN Overview
77
SEN Support
1
EHC Plans
26.2%
of Total Pupils
2026 academic year
Provision & Specialist Facilities
Pupils by Need Type
No need-level breakdown available
Pupil Demographics
Key Indicators
298
Total Pupils
158
Boys
140
Girls
2026 academic year
Feeder Primary Schools
Primary schools that likely feed into this school, based on proximity
International School of London
Showing 10 of 11 linked schools
Questions parents ask about International School of London
What is International School of London's Ofsted rating?
International School of London was rated Good at its most recent Ofsted inspection in November 2023.
Does International School of London meet the independent school standards?
At its most recent standard inspection, in November 2023, International School of London met all the independent school standards.
How many pupils go to International School of London?
International School of London has around 298 pupils on roll.
How do I apply to International School of London?
International School of London is an independent school and runs its own admissions rather than going through the local authority. Contact the school directly for entry requirements, assessment dates, fees and any bursaries.
Does International School of London have a breakfast club or after-school club?
Ofsted's childcare register lists 5 out-of-school clubs within a kilometre of International School of London: Chiswick W4 (290m away, registered, not yet graded), Aktiva Camps @ Kew House (460m away, registered, not yet graded) and Dolce Senso Bake N Play After School Club (940m away, registered, not yet graded). The school may also run its own clubs, which don't have to register with Ofsted.
How many road collisions happen near International School of London?
Within 500 m of the school's mapped location, police recorded 81 road collisions in which someone was injured in 2021 to 2025: 1 fatal, 8 serious and 72 slight. 2 children aged 0 to 15 were hurt: 1 on foot and 1 on a bicycle. 17 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included. The typical figure for schools in Hounslow is 52.5 (the median across 90 schools, same distance and years).
Where is International School of London?
International School of London is at 139 Gunnersbury Avenue, London, W3 8LG.
Source: Department for Transport, Road Safety Data (STATS19)