Ark Acton Academy vs International School of London
A head-to-head comparison of two schools in London, England, 1.1 km apart, using official English 2025 data. The better value in each row is highlighted.
Ark Acton Academy
London · Academy secondary · Ages 11–18
752 students
International School of London
London · Independent all-through · Ages 3–18
298 students
| Measure | Ark Acton Academy London, London | International School of London London, London |
|---|---|---|
| Success Index (England) | 26 Lower 50% | – Not rated |
| Region rank | #521 of 640 | – |
| National rank | #3145 of 4,090 | – |
| Sector | Academy | Independent |
| Type | Secondary | All-through |
| Year range | Ages 11–18 | Ages 3–18 |
| Students | 752 | 298 |
| Pupils on roll | 752 | 298 |
| Free school meals | 54.2% | – |
| Capacity filled | 53.7% | 49.7% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 42.1 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 32.5% | – |
| Grade 4+ English & maths | 57.2% | – |
| EBacc average points | 3.91 | – |
| A level points per entry | 27.6 | – |
| town | London | London |
| region | London | London |
| Website | arkacton.org | www.isllondon.org/ |
The verdict
- •Ark Acton Academy is the larger school with 752 students compared with 298.
- •Ark Acton Academy is a academy school while International School of London is a independent school, so fees and admission rules differ.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
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Frequently asked questions
Is Ark Acton Academy better than International School of London?
The two schools are very close on the Success Index (England). Differences in sector, size, programmes and distance from home will matter more than the score.
How far apart are Ark Acton Academy and International School of London?
About 1.1 km in a straight line, between London and London in London.
Which has the better Pupils on roll?
Ark Acton Academy: 752. International School of London: 298. Number of pupils in the latest school census.
How do Ark Acton Academy and International School of London rank in London?
Ark Acton Academy is 521st of 640 and International School of London is unranked among secondary schools in London on the 2025 Success Index (England).