Invicta Grammar School vs Sandling Primary School
A head-to-head comparison of two schools in South East, England, 1.9 km apart, using official English 2025 data. The better value in each row is highlighted.
Invicta Grammar School
Maidstone · Academy secondary · Ages 11–18
1,670 students
Sandling Primary School
Maidstone · Local authority primary · Ages 4–11
421 students
| Measure | Invicta Grammar School Maidstone, South East | Sandling Primary School Maidstone, South East |
|---|---|---|
| Success Index (England) | 96 Top 5% | 64 Top 50% |
| Region rank | #29 of 679 | #896 of 2,471 |
| National rank | #84 of 4,090 | #4975 of 15,697 |
| Sector | Academy | Local authority |
| Type | Secondary | Primary |
| Year range | Ages 11–18 | Ages 4–11 |
| Students | 1,670 | 421 |
| Pupils on roll | 1,670 | 421 |
| Free school meals | 7.6% | 10.2% |
| Capacity filled | 126.6% | 100.2% |
| KS2 expected standard (RWM) | – | 67% |
| KS2 higher standard (RWM) | – | 10% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 70.8 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 92.8% | – |
| Grade 4+ English & maths | 98.8% | – |
| EBacc average points | 6.83 | – |
| A level points per entry | 43.3 | – |
| town | Maidstone | Maidstone |
| region | South East | South East |
| Website | www.invicta.viat.org.uk | www.sandling.kent.sch.uk/ |
The verdict
- •Invicta Grammar School scores higher on the Success Index (England) (95.9 vs 64.4).
- •Invicta Grammar School is the larger school with 1,670 students compared with 421.
- •Invicta Grammar School is a academy school while Sandling Primary School is a local authority school, so fees and admission rules differ.
- •Invicta Grammar School is girls and Sandling Primary School is co-educational.
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 Invicta Grammar School better than Sandling Primary School?
On the Success Index (England), Invicta Grammar School ranks higher (95.9 vs 64.4 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 Invicta Grammar School and Sandling Primary School?
About 1.9 km in a straight line, between Maidstone and Maidstone in South East.
Which has the better Pupils on roll?
Invicta Grammar School: 1,670. Sandling Primary School: 421. Number of pupils in the latest school census.
How do Invicta Grammar School and Sandling Primary School rank in South East?
Invicta Grammar School is 29th of 679 and Sandling Primary School is 896th of 2,471 among secondary schools in South East on the 2025 Success Index (England).