Round Diamond Primary School
Stevenage, SG1 6NH · Hertfordshire · primary school
19th of 340 primary schools in Hertfordshire we can score, 401 in total — the rest without enough published data. Local and same-phase on purpose: a national table mostly measures who attends.
Its results hold up when the comparison narrows to schools whose pupils have similar backgrounds — 8.4/10 against 3,795 of them, against 8.8/10 nationally. So this is not simply a reflection of who attends. Both figures are results only, without the inspection grade. A lower figure here means a stronger comparison group, not a weaker school.
How this is worked out
| Measure | Percentile | Weight | Adds |
|---|---|---|---|
| Expected standard (RWM) 2024/25 | 79.0 · 86 | 40% | 3.43 |
| Ofsted | 96 | 35% | 3.37 |
| Higher standard (RWM) 2024/25 | 19.0 · 90 | 25% | 2.26 |
Each measure is read as a position among comparable schools, so a school in the middle of the country scores 5. Full method.
Get to know the school
How it's doing. In 2024/25, 79.0% of pupils reached the expected standard in reading, writing, and maths, compared to the national median of 64%. The higher standard was reached by 19.0%. Ofsted rated the school Outstanding in April 2025. Its results hold up when the comparison narrows to schools whose pupils have similar backgrounds, so they are not simply a reflection of who attends (8.4 out of 10 against similar schools, 8.8 out of 10 against all schools).
Getting in. The school has 453 pupils in a building with 420 places, meaning it is over capacity by 33. This means places are competitive.
Worth asking on a visit. How does the school manage the daily routine with 33 more pupils than its stated capacity? What support is available for pupils who do not reach the higher standard in maths? How does the school maintain its Outstanding rating while operating above its physical limits?
Written by AI from this school's published results, inspection record and its own website — not by Ofsted, the school, or SchoolsGPT staff. Every figure above comes from the sources on this page. Check anything that matters with the school.
Your offer chance
—Based on official applications/offers, distance and catchment where we have it. Bands only — never a percentage.
Sibling, faith, looked-after and other criteria can override distance. Always confirm with the school or local authority.
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