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International School of London Catchment Area

Reviewed by the catchment.school editorial team · Last updated 15 March 2026

International School of London is an other independent not applicable school in London, Hounslow , serving pupils aged 3-18, with 397 pupils, and a capacity of 600 places. Find catchment area guidance, admissions policy details and nearby not applicable schools below.

3-18

Age range

397

Pupils

600

Capacity

66%

Fill rate

International School of London Catchment Area Information

What is the catchment area for International School of London?

The catchment area for International School of London is the geographic zone Hounslow uses to prioritise admissions when this not applicable school receives more applications than it has places. Children living inside the boundary are ranked higher under the oversubscription criteria, after looked-after children and siblings. Hounslow publishes the exact boundary and the last distance offered before each admissions cycle, and the boundary can change year to year.

The catchment area for International School of London is set by Hounslow and reviewed annually. Children living within the catchment boundary receive priority consideration when applications exceed the number of available places.

The official admissions policy, including the catchment boundary map, is published by Hounslow before each admissions cycle. Always verify your address with the council before submitting an application, as boundaries can change year to year.

Find Hounslow catchment area documents →

International School of London: 600 places, 66% filled: places available

International School of London has a published admission number of 600 places. 397 pupils were enrolled in the most recent data, giving a fill rate of 66%. At 66% full, the school currently has headroom below its 600 place limit. Catchment distance criteria still apply when the school is oversubscribed, but at current demand levels, places have been available for applicants outside the immediate catchment area.

To check whether your home address falls within the historical catchment boundary, use the postcode search tool on this site.

Hounslow publishes its full admissions policy, including oversubscription criteria, the previous year's last-distance figures, and the appeals timetable, on the council's official admissions page. Find Hounslow school admissions →

International School of London: School Information

Full address
139 Gunnersbury Avenue, London, W3 8LG
Local authority
Hounslow
School type
Other independent school
Phase of education
Not applicable
Age range
3-18 years
Admissions policy
Non-selective
DfE URN
102550

Other Not applicable Schools in London

If International School of London is oversubscribed, these not applicable schools in London are the next closest alternatives.

Nearest not applicable schools by distance

These are the not applicable schools closest to International School of London by straight-line distance, including ones across a town or council boundary. Distance is not the same as being in catchment: always check each school's own admissions policy for its actual boundary.

Frequently Asked Questions: International School of London

What is the catchment area for International School of London?

The catchment area for International School of London is the geographic zone Hounslow uses to prioritise admissions when this not applicable school receives more applications than it has places. Children living inside the boundary are ranked higher under the oversubscription criteria, after looked-after children and siblings. Hounslow publishes the exact boundary and the last distance offered before each admissions cycle, and the boundary can change year to year.

Is International School of London oversubscribed?

International School of London has a capacity of 600 places and currently has 397 pupils enrolled. For the most up-to-date data, check with Hounslow.

What is the admissions policy for International School of London?

Admission to International School of London is managed by Hounslow. When oversubscribed, places go to looked-after children first, then siblings, then catchment area distance. Always verify the current policy with the council before applying.

What age range does International School of London cover?

International School of London is a not applicable school in London, Hounslow, serving pupils aged 3-18. For the latest information, visit the school's website or the DfE Get Information About Schools service.

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