International School of London

URN: 102550 • London W3 8LG

Overview

Name
International School of London
URN
102550
Type
Other independent school
Phase
Not applicable
Status
Open
Gender
Mixed
Religious
None
Admissions
Non-selective
Trust
Private
Yes
Ofsted rating
Good
Ranking score
62.2 / 100
School thumbnail

Leadership & Contact

Headteacher
Richard Parker (since 2025) , Head of School
Telephone
02089925823
Website
Visit
Address
139 Gunnersbury Avenue, London W3 8LG

Summary

The International School of London (ISL) is an independent, mixed-gender school located in Hounslow, London, with a current enrolment of 397 students and a capacity of 600. Established in 1972, ISL prides itself on fostering a diverse and inclusive community that embraces various cultures and languages, enhancing the educational experience for all students. The school aims to develop well-rounded individuals equipped with critical thinking and communication skills through its International Baccalaureate (IB) curriculum.

ISL offers a comprehensive transitions care programme designed to support students and their families as they integrate into the school community. This initiative has been recognised for its effectiveness in improving student outcomes and easing the transition process. The school also features a Sports Hub and access to a large public park, providing students with ample opportunities for physical education and recreational activities.

The ethos at ISL centres around nurturing creativity, resilience, and a sense of belonging, encouraging students to engage meaningfully with the world. The school’s commitment to academic excellence is reflected in its strong university placement record, with graduates attending prestigious institutions both in the UK and internationally.

Key details

LA
Hounslow
Age range
3 - 18
Boarders
No boarders
Sixth form
Has a sixth form
Trust
Capacity
600
Pupils
397
Boys
218
Girls
179
FSM %
Open date
1987-10-26
Close date
Last Ofsted
2023-11-24
Next inspection
Data snapshot
2025-07-14
County

Trends

DatePupilsBoysGirlsCapacityFSM%
2025-07-14 397 218 179 600
2024-09-11 435 231 204 600
2023-09-11 387 211 176 600 0.00
2022-09-11 387 211 176 600 0.00
2021-09-11 392 222 170 600 0.00
2020-09-11 474 280 194 600 0.00

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