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Ages 3 to 18

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Language of instructionEnglish
Age RangeAges 3 to 18
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Quick summary of key school information

Language of instruction English
Native English teachers
Extra languages (other than English)
Class sizes Average 15 students / class
Maximum 20 students / class
Extracurricular activities
School bus
School's webpage:
Yearly fees: from: £21,100
to: £29,100
This school has more than one campus in London:
Chiswick Campus: Ages 3 to 16

Address: 139 Gunnersbury Avenue, London W3 8LG, UK

Ealing Campus: Ages 16 to 18

Address: 15 Gunnersbury Avenue, London W5 3XD, UK

Is this school a perfect match for you?

Tell us your preferences and we’ll calculate your compatibility.

  • Based on 10 different criteria including price and location
  • Fees personalised to your childrens’ ages

All the details about this school in their own words

We have organised the information available for this school into 10 sections and 37 questions. Click or tap on the name of each section to read more.
Number of students


Number of nationalities represented in the school


Most common nationality


Native English speaking teachers


Language support for students not fluent in English

English as an Additional Language

Additional language classes offered by the school

Although there are more languages spoken in school, ISL offers lessons at mother tongue level in 25 different languages.

Max. number of students per class


Average number of students per class


Does the school employ teaching assistants?


Use of technology in the classroom

ISL is proud that students and faculty benefit from a technology-rich learning environment which provides:

- iPads to assist in the collection of work samples and experiences, and creation of digital portfolios
- Cameras to record and share learning
- Audio books to read along with those borrowed from the library
- Science labs with state of the art data logging equipment, including portabledigital colorimeters and high precision balances and a range of sensors (eg: temperature, pH, CO2, forces) to allow students to accurately record, visualise and export data
- Laptop carts to create flexible learning environments – anytime and anywhere
- Interactive whiteboards and projection devices in classrooms to support sharing and collaboration
- Suite of Google Apps for Education to create projects that support their units of inquiry
- Dedicated Digital Design studio for Middle School students, as well as access to a laser cutter, CNC router and a bank of 3D printers – which our students have built themselves
- MakerSpace lab to support the curriculum of all years promoting the use of Science, Technology, Engineering and Mathematics. This space is also available to our students outside of class time, encouraging them to learn through experimentation and play. Here they can design with CAD and CAM processes, build, create videos and take photographs in a photography and green screen studio, animate and build and code robots
- PC and Mac environments which make use of annual licences for Adobe Creative Cloud (digital design package), as well as Google Sketchup Pro to enable our students’ creativity to thrive
- Digital composition and music notation equipment

Is the school ready to use virtual classrooms when needed? (e.g. teaching lessons online if the school is closed, e.g. during COVID-19 closures)

ISL moved to Virtual School in advance of the government issued advice about school closures. We use Microsoft teams as the main platform to deliver the virtual classroom, with face-to-face lessons, mentoring, extra-curricular activities, social time, community outreach and service learning opportunities all delivered virtually to the home.

Do students practice religion at the school? What religion?

We are a non-denominational school where everyone is welcome.

External examinations or assessments available

IB Diploma

Results in these examinations

ISL's students score an average of 33 out of possible 45 points, which is 20% above the world average. ISL's 2019 highest score was 41 points.

Do teachers assign homework to their students?


Percentage of students who pursue further education post-graduation


Dedicated staff/programs for students with special learning needs


Learning support offered

ISL has a SEN department which offers support for a range of educational needs from application stage to classroom.

The school supports gifted, able and talented students

Further programmes are available in a variety of subjects. We have particular expertise in further Mathematics.

Student access to education psychologist

We have a student counsellor and outstanding pastoral care.

Entry evaluation for students

No, we have an inclusive admissions process, with no formal exams or English Language requirements needed.

Waiting list


Deadline for registration (new academic year)

We have rolling admissions, with no deadlines for enrolment. Students are supported to join at any time during the year.

Students can join after academic year begins


School start time


School finish time


Supervised care before/after school


School bus service available


School provided lunches


Food alternatives for special dietary needs (ie. vegan, kosher, halal etc)

All food prepared in the school kitchen is halal.

Uniform required


Extracurricular activities or clubs offered

ISL offers in excess of 40 clubs per week in a variety of different activities including sports, the arts, technology, sciences, Service Learning, global issues and music.

Sports activities included

Football, basketball, volleyball, rugby, tennis, athletics, swimming, boxing and many more.

Sports teams or sport competitions available for students


Sports facilities at the school

ISL has partnered with Gunnersbury Park Sports Complex which is a brand new purpose built sports centre and short walk from the school site through Gunnersbury Park. It has a large sports hall, changing rooms, studios, gym, 4G football pitches and grass cricket, rugby and football pitches.

Qualities and characteristics best defining the school

ISL provides an intercultural community which fosters a passion and enthusiasm for learning through outstanding educational practices, recognised by OFSTED, the IB and CIS.
At ISL, everything we design activates students, teachers and parents to use the diverse cultures, languages and viewpoints around them to change the world for the better. Students' cultural and linguistic identities are valued and nurtured through our international curriculum and Mother Tongue programme.
Since 1972, we’ve established a community where students, parents and staff are happy and engaged in school life. That’s why our people are curious, able to explore deeper and broader, and build a unique understanding of the world around them. They develop deeper thinking and share rich experiences that send them out into the world with the talent, determination and compassion to change it for the better.

Teaching approach of the school

ISL offers an exceptional world of learning for every student. Starting with a genuinely warm welcome to its multi-cultural environment, ISL works with each child to devise an individual learning programme tailored to their unique needs and goals. ISL's strong focus on student wellbeing, in a supportive environment, is complemented in the classroom by dynamic teaching practises. It’s this all-round approach that ISL believes leads to the academic and personal success that characterises ISL pupils.

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