Bolder Academy vs Isleworth and Syon School for Boys
A head-to-head comparison of two secondary schools in London, England, 1.1 km apart, using official English 2025 data. The better value in each row is highlighted.
Bolder Academy
Isleworth · Academy secondary · Ages 11–18
909 students
Isleworth and Syon School for Boys
Isleworth · Academy secondary · Ages 11–18
951 students
| Measure | Bolder Academy Isleworth, London | Isleworth and Syon School for Boys Isleworth, London |
|---|---|---|
| Success Index (England) | 53 Top 50% | 44 Lower 50% |
| Region rank | #360 of 640 | #416 of 640 |
| National rank | #1840 of 4,090 | #2264 of 4,090 |
| Sector | Academy | Academy |
| Type | Secondary | Secondary |
| Year range | Ages 11–18 | Ages 11–18 |
| Students | 909 | 951 |
| Pupils on roll | 909 | 951 |
| Free school meals | 28.9% | 27.8% |
| Capacity filled | 72.1% | 97.1% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 45.6 | 43.1 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 40.8% | 38.3% |
| Grade 4+ English & maths | 61.5% | 54.5% |
| EBacc average points | 4.25 | 3.70 |
| A level points per entry | 37.1 | 34.1 |
| town | Isleworth | Isleworth |
| region | London | London |
| Website | www.bolderacademy.co.uk | www.isleworthsyon.org/ |
The verdict
- •Bolder Academy scores higher on the Success Index (England) (52.6 vs 44.2).
- •Isleworth and Syon School for Boys is the larger school with 951 students compared with 909.
- •Bolder Academy is co-educational and Isleworth and Syon School for Boys is boys.
The Success Index (England) summarises published results and context from official data. It does not measure teaching quality or fit. Methodology.
Free academic assessment
Torn between two schools? Start with your child.
Whichever you choose, a free Success Tutoring assessment shows exactly where your child is in English and Maths and how to get ahead before the next school year.
- Personalised learning plan mapped to the Australian Curriculum
- English & Maths from Kindergarten to Year 12
- Flexible memberships, no lock-in contracts
- Centres across NSW, VIC, QLD, WA, SA and ACT
Frequently asked questions
Is Bolder Academy better than Isleworth and Syon School for Boys?
On the Success Index (England), Bolder Academy ranks higher (52.6 vs 44.2 out of 100). The index is built from published results and context data, not from teaching quality or fit, so visit both schools before deciding.
How far apart are Bolder Academy and Isleworth and Syon School for Boys?
About 1.1 km in a straight line, between Isleworth and Isleworth in London.
Which has the better Pupils on roll?
Bolder Academy: 909. Isleworth and Syon School for Boys: 951. Number of pupils in the latest school census.
How do Bolder Academy and Isleworth and Syon School for Boys rank in London?
Bolder Academy is 360th of 640 and Isleworth and Syon School for Boys is 416th of 640 among secondary schools in London on the 2025 Success Index (England).