Ark Academy vs Chalkhill Primary School
A head-to-head comparison of two schools in London, England, 766 m apart, using official English 2025 data. The better value in each row is highlighted.
Ark Academy
Wembley · Academy all-through · Ages 3–18
1,639 students
Chalkhill Primary School
Wembley · Local authority primary · Ages 3–11
460 students
| Measure | Ark Academy Wembley, London | Chalkhill Primary School Wembley, London |
|---|---|---|
| Success Index (England) | 72 Top 25% | 36 Lower 50% |
| Region rank | #202 of 640 | #1465 of 1,720 |
| National rank | #936 of 4,090 | #11075 of 15,697 |
| Sector | Academy | Local authority |
| Type | All-through | Primary |
| Year range | Ages 3–18 | Ages 3–11 |
| Students | 1,639 | 460 |
| Pupils on roll | 1,639 | 460 |
| Free school meals | 41.5% | 32.3% |
| Capacity filled | 99.3% | 97.5% |
| KS2 expected standard (RWM) | 82% | 66% |
| KS2 higher standard (RWM) | 11% | 0% |
| KS2 reading progress | – | – |
| KS2 writing progress | – | – |
| KS2 maths progress | – | – |
| Attainment 8 | 51.5 | – |
| Progress 8 | – | – |
| Grade 5+ English & maths | 50.6% | – |
| Grade 4+ English & maths | 73.2% | – |
| EBacc average points | 4.92 | – |
| A level points per entry | 38.3 | – |
| town | Wembley | Wembley |
| region | London | London |
| Website | www.arkacademy.org | www.chalkhillprimaryschool.uk/ |
The verdict
- •Ark Academy scores higher on the Success Index (England) (71.9 vs 35.8).
- •Ark Academy does better on ks2: reading, writing & maths expected standard (82% vs 66%).
- •Ark Academy does better on ks2: higher standard (11% vs 0%).
- •Ark Academy is the larger school with 1,639 students compared with 460.
- •Ark Academy is a academy school while Chalkhill Primary School is a local authority 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 Academy better than Chalkhill Primary School?
On the Success Index (England), Ark Academy ranks higher (71.9 vs 35.8 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 Ark Academy and Chalkhill Primary School?
About 766 m in a straight line, between Wembley and Wembley in London.
Which has the better Pupils on roll?
Ark Academy: 1,639. Chalkhill Primary School: 460. Number of pupils in the latest school census.
How do Ark Academy and Chalkhill Primary School rank in London?
Ark Academy is 202nd of 640 and Chalkhill Primary School is 1465th of 1,720 among all-through schools in London on the 2025 Success Index (England).