Chailey School vs Dartford Science & Technology College
A head-to-head comparison of two secondary schools in South East, England, 58 km apart, using official English 2025 data. The better value in each row is highlighted.
Chailey School
Lewes · Local authority secondary · Ages 11–16
862 students
Dartford Science & Technology College
Dartford · Local authority secondary · Ages 11–18
857 students
| Measure | Chailey School Lewes, South East | Dartford Science & Technology College Dartford, South East |
|---|---|---|
| Success Index (England) | 73 Top 25% | 59 Top 50% |
| Region rank | #192 of 679 | #283 of 679 |
| National rank | #867 of 4,090 | #1522 of 4,090 |
| Sector | Local authority | Local authority |
| Type | Secondary | Secondary |
| Year range | Ages 11–16 | Ages 11–18 |
| Students | 862 | 857 |
| Pupils on roll | 862 | 857 |
| Free school meals | 14.8% | 22.7% |
| Capacity filled | 99.1% | 90.2% |
| KS2 expected standard (RWM) | – | – |
| KS2 higher standard (RWM) | – | – |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 49.3 | 49.1 |
| Progress 8 | – | – |
| Grade 5+ English & maths | 52.4% | 54.5% |
| Grade 4+ English & maths | 71.4% | 71.7% |
| EBacc average points | 4.66 | 4.11 |
| A level points per entry | – | 23.8 |
| town | Lewes | Dartford |
| region | South East | South East |
| Website | www.chaileyschool.org/ | www.dstc.kent.sch.uk |
The verdict
- •Chailey School scores higher on the Success Index (England) (73.2 vs 59.4).
- •Chailey School is the larger school with 862 students compared with 857.
- •Chailey School is co-educational and Dartford Science & Technology College is girls.
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 Chailey School better than Dartford Science & Technology College?
On the Success Index (England), Chailey School ranks higher (73.2 vs 59.4 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 Chailey School and Dartford Science & Technology College?
About 58 km in a straight line, between Lewes and Dartford in South East.
Which has the better Pupils on roll?
Chailey School: 862. Dartford Science & Technology College: 857. Number of pupils in the latest school census.
How do Chailey School and Dartford Science & Technology College rank in South East?
Chailey School is 192nd of 679 and Dartford Science & Technology College is 283rd of 679 among secondary schools in South East on the 2025 Success Index (England).