Ilderton Primary School vs Marathon Science School
A head-to-head comparison of two schools in London, England, 1.0 km apart, using official English 2025 data. The better value in each row is highlighted.
Ilderton Primary School
London · Local authority primary · Ages 3–11
157 students
Marathon Science School
London · Independent all-through · Ages 10–19
35 students
| Measure | Ilderton Primary School London, London | Marathon Science School London, London |
|---|---|---|
| Success Index (England) | 61 Top 50% | – Not rated |
| Region rank | #909 of 1,720 | – |
| National rank | #5612 of 15,697 | – |
| Sector | Local authority | Independent |
| Type | Primary | All-through |
| Year range | Ages 3–11 | Ages 10–19 |
| Students | 157 | 35 |
| Pupils on roll | 157 | 35 |
| Free school meals | 41.4% | – |
| Capacity filled | 66.5% | 29.2% |
| KS2 expected standard (RWM) | 73% | – |
| KS2 higher standard (RWM) | 12% | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | – | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | – | – |
| Grade 4+ English & maths | – | – |
| EBacc average points | – | – |
| A level points per entry | – | – |
| town | London | London |
| region | London | London |
| Website | www.mayflowerfederation.org.uk/ | www.marathonschool.com |
The verdict
- •Ilderton Primary School is the larger school with 157 students compared with 35.
- •Ilderton Primary School is a local authority school while Marathon Science School is a independent school, so fees and admission rules differ.
- •Ilderton Primary School is co-educational and Marathon Science School is boys.
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 Ilderton Primary School better than Marathon Science School?
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 Ilderton Primary School and Marathon Science School?
About 1.0 km in a straight line, between London and London in London.
Which has the better Pupils on roll?
Ilderton Primary School: 157. Marathon Science School: 35. Number of pupils in the latest school census.
How do Ilderton Primary School and Marathon Science School rank in London?
Ilderton Primary School is 909th of 1,720 and Marathon Science School is unranked among primary schools in London on the 2025 Success Index (England).