Schools/United Kingdom/London/International School of London
United Kingdom — England

International School of London

139 Gunnersbury Avenue, London, W3 8LG, U.K.
IB Primary Years ProgrammeIB Middle Years ProgrammeIB Diploma ProgrammeIBScholarshipsRolling Admissions
International School of London logo
Verified School
Annual Fees$ 381 – $ 48,412
Ages3 – 18

International School of London is a IB Primary Years Programme / IB Middle Years Programme / IB Diploma Programme / IB school in London, United Kingdom. Founded in 1972. It serves 397 students for students aged 3–18. Annual tuition ranges from $381 to $48,412 USD.

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Location & Getting There

139 Gunnersbury Avenue, London, W3 8LG, U.K.Open in Maps
Bus service available

NanaSays Scorecard

Est. 1972
Year Founded
397
Students Enrolled
Boarding Available
Scholarships Available
EAL Support
SEN Support
Rolling Admissions

Key Details

Curricula Offered
IB Primary Years ProgrammeYes
IB Middle Years ProgrammeYes
IB Diploma ProgrammeYes
IBYes
Support Services
EAL SupportYes
SEN SupportYes
WellbeingYes
Bus ServiceYes
Accreditations
IB
Languages of Instruction
English

Scholarships Available

Merit-based Scholarships

Founder's Award: Named in memory of Nadim Makarem, this initiative provides a significant long-term reduction in fees for local UK families. 60 awards available. Fixed annual fees: Primary £20,000, Secondary £24,000, Sixth Form £26,000. No application fee. Eligibility requires UK residency for at least 5 years (since 2021). No entrance tests required. Apply by submitting residency evidence to [email protected] and applying via OpenApply. Fees apply for the entirety of the child's education and are adjusted annually by cost-of-living increases.

Key facts

Founded
1972
Ages
3–18 (Co-ed)
Pupils on roll
397
Inspectorate
ISI

About

International School of London is a private, coeducational day school offering the complete continuum of IB programmes from Primary Years through Diploma Programme. Authorised since 1977, the school delivers English-language instruction across all three IB levels for students aged 3-19.

School data verified by NanaSays. Last updated: April 2026.

Why Families Choose

ISL was one of the first UK schools to offer the IB Diploma Programme and delivers the full IB continuum from age 3 to 18. The school emphasises multilingualism and intercultural understanding, offering instruction in 24 home languages and 5 acquisition languages. Its dual-campus model beside Gunnersbury Park enables weekly Forest School sessions, and the Fox Media Tech Hub supports student broadcasting.

Fees & Financials

Grade / YearAnnual Fee
Grade 1GBP 30,500~$ 38,608
Grade 2GBP 30,500~$ 38,608
Grade 3GBP 30,500~$ 38,608
Grade 4GBP 30,500~$ 38,608
Grade 5GBP 30,500~$ 38,608
Grade 6GBP 34,100~$ 43,165
Grade 7GBP 34,100~$ 43,165
Grade 8GBP 34,100~$ 43,165
Grade 9GBP 37,000~$ 46,835
Grade 10GBP 37,000~$ 46,835
Grade 11GBP 38,120~$ 48,253
Grade 12GBP 38,120~$ 48,253
KindergartenGBP 30,500~$ 38,608
Early Childhood 1GBP 23,690~$ 29,987
Early Childhood 2GBP 27,230~$ 34,468

Conversions to USD use exchange rates as of April 2026.

Original currency: £300 - 38,120. Application fee: $381.

Admissions Process

  1. 1Submit online application via isllondon.openapply.com with completed Application Form, passport-sized photograph, and Application Fee. Step 2: Provide supporting documents including school reports for the past two years, standardised test results, Student Questionnaire (Grade 4+), Teacher Reference Form, and passport copy with UK eVisa share code if applicable. Step 3: ISL may conduct a personal interview or further testing; if offered a place, an Enrolment Deposit must be paid within three weeks. Step 4: Full year invoice issued in May, payable by first Monday in July; written notice required for withdrawal. Step 5: All students placed in age-appropriate year group; IB curriculum followed across PYP, MYP and DP.

Admissions Details

Application Deadline
Throughout the year whenever places are available
Admission Deposit
$2,286
due on acceptance
EAL Support Cost
$2,896
per year additional

Student Life

Uniform

There is no school uniform; a dress code applies. Clothing should be simple, neat and modest and suitable for learning. Provocative or culturally insensitive clothing is not allowed. PE kit should be worn on PE days and footwear must be safe for a school environment.

Food & Dining

Lunch is provided by the school or students may bring their own lunch. The menu changes daily and provides a varied and balanced diet, respecting dietary requirements and sensitivities of the school community. Lunch is not provided for Grade 11–12.

Clubs & Activities
Academic and IntellectualArts and CreativeCommunity and Service

Facilities & Programmes

Sports
ISL Sports Hub
Academic
Three multilingual libraries
Fox Media Tech Hub
Science laboratories
Co-Curricular
Forest School
After-school clubs
Extra-curricular activities run by ISL staff and external specialists

Wellbeing & Safety

Pastoral & Mental Health

Students receive group and individual guidance through a Personal, Relationships, Social and Health Education (PRSHE) programme informed by positive psychology, addressing students' needs and encouraging growth as confident, considerate and compassionate young adults.

Safeguarding & Child Protection

Safeguarding is central to ISL London. Students can talk to staff if worried, all staff receive yearly safeguarding training, tutor groups oversee daily pastoral care, and Heads of Year/Wellbeing and Pastoral Leaders oversee student welfare.

Student Demographics

School Type
co-ed
Age Range
318
Early Years
Primary School
Middle School
Secondary School
Sixth Form

School Background

Governance & Ownership

private

Sports Programme

Facilities
ISL Sports Hub

Frequently Asked Questions

Fees at International School of London vary by year group. Contact the admissions office for a full fee schedule.