Joshua Mangas

Round Diamond Primary School

  • Primary
  • Academy converter
  • Ages 3 to 11

URN 149206 · Hertfordshire · IVY LEARNING TRUST

In Hertfordshire

Inspection

Ofsted management information, as at 30 September 2026.

Latest graded inspection

27 June 2017

Overall effectiveness
Outstanding

This inspection was of the predecessor school, before it converted or reopened under its current URN.

Under the earlier framework, inspections gave an overall effectiveness grade.

Ungraded inspection

5 March 2025

“Standards maintained”

An ungraded inspection checks that the school is still at the standard of its last graded inspection. It does not give a new grade.

Read the reports on Ofsted’s website. Source: Ofsted, State-funded school inspections and outcomes: management information.

Attendance

Against Hertfordshire and England, primary schools.

Overall absence

2024/25

4.3%

Hertfordshire
5.0%
England
5.2%

0.9 percentage points lower than England.

3.54.86.12017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Overall absence
YearThis schoolHertfordshireEngland
2017/18Not published4.2%4.2%
2018/19Not published4.0%4.0%
2020/21Not published3.3%3.6%
2021/22Not published6.1%6.3%
2022/235.1%5.7%5.9%
2023/244.2%5.4%5.5%
2024/254.3%5.0%5.2%

Sessions missed for any reason, as a share of all possible sessions in the school year. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Persistent absence

2024/25

6.8%

Hertfordshire
11.6%
England
13.0%

6.2 percentage points lower than England.

7.512.317.02017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Persistent absence
YearThis schoolHertfordshireEngland
2017/18Not published8.1%8.7%
2018/19Not published7.6%8.2%
2020/21Not published7.4%8.8%
2021/22Not published16.4%17.7%
2022/239.1%14.6%16.2%
2023/249.0%13.4%14.6%
2024/256.8%11.6%13.0%

Pupils who missed 10% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Severe absence

2024/25

0.5%

Hertfordshire
0.9%
England
0.9%

0.4 percentage points lower than England.

0.30.60.92017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Severe absence
YearThis schoolHertfordshireEngland
2017/18Not published0.3%0.4%
2018/19Not published0.4%0.4%
2020/21Not published0.6%0.7%
2021/22Not published0.6%0.6%
2022/230.3%0.8%0.7%
2023/240.3%0.9%0.9%
2024/250.5%0.9%0.9%

Pupils who missed 50% or more of their possible sessions, as a share of pupils. Source: Department for Education, Explore Education Statistics, Pupil absence in schools in England, 2024/25.

Suspensions and permanent exclusions

Against Hertfordshire and England, primary schools.

Suspensions per 100 pupils

2024/25

4.19

Hertfordshire
2.92
England
2.47

1.72 higher than England.

1.22.74.22017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Suspensions per 100 pupils
YearThis schoolHertfordshireEngland
2017/18Not published1.761.40
2018/19Not published1.921.41
2019/20Not published1.221.00
2020/21Not published1.120.99
2021/223.201.651.42
2022/233.192.241.81
2023/244.382.502.27
2024/254.192.922.47

Suspensions in the school year for every 100 pupils on roll. One pupil can be suspended more than once. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Permanent exclusions per 100 pupils

2024/25

0.00

Hertfordshire
0.02
England
0.03

0.03 lower than England.

0.00.10.22017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Permanent exclusions per 100 pupils
YearThis schoolHertfordshireEngland
2017/18Not published0.030.03
2018/19Not published0.030.02
2019/20Not published0.020.02
2020/21Not published0.010.01
2021/220.210.010.02
2022/230.000.030.03
2023/240.000.030.03
2024/250.000.020.03

Permanent exclusions in the school year for every 100 pupils on roll. Source: Department for Education, Explore Education Statistics, Suspensions and permanent exclusions in England, 2024/25.

Key stage 2 results

Against Hertfordshire and England, primary schools.

Reading, writing and maths: expected standard

2024/25

79%

Hertfordshire
64%
England
63%

16 percentage points higher than England.

5868782021/222022/232023/242024/252025/26
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Reading, writing and maths: expected standard
YearThis schoolHertfordshireEngland
2021/22Not published60%59%
2022/2357%61%60%
2023/2474%63%61%
2024/2579%64%63%
2025/26 (provisional)Not published64%63%

Pupils at the end of key stage 2 who met the expected standard in reading, writing and maths combined. Source: Department for Education, Explore Education Statistics, Key stage 2 attainment, 2024/25.

Reading, writing and maths: higher standard

2024/25

19%

Hertfordshire
11%
England
8%

11 percentage points higher than England.

813182021/222022/232023/242024/252025/26
This schoolHertfordshireEngland
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Reading, writing and maths: higher standard
YearThis schoolHertfordshireEngland
2021/22Not published10%7%
2022/2312%10%8%
2023/249%9%8%
2024/2519%11%8%
2025/26 (provisional)Not published10%9%

Pupils at the end of key stage 2 who met the higher standard in reading, writing and maths combined. Source: Department for Education, Explore Education Statistics, Key stage 2 attainment, 2024/25.

Pupils

Against Hertfordshire and England, primary schools.

Eligible for free school meals

2024/25

7.7%

Hertfordshire
15.7%
England
24.7%

17.0 percentage points lower than England.

7.615.623.52021/222022/232023/242024/25
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Eligible for free school meals
YearThis schoolHertfordshireEngland
2021/22Not published14.5%23.1%
2022/236.4%15.2%24.0%
2023/247.0%15.6%24.3%
2024/257.7%15.7%24.7%

Pupils known to be eligible for free school meals on census day in January. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

SEN support

2024/25

7.5%

Hertfordshire
14.1%
England
15.0%

7.5 percentage points lower than England.

8.011.314.52021/222022/232023/242024/25
This schoolHertfordshireEngland
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SEN support
YearThis schoolHertfordshireEngland
2021/22Not published12.6%13.0%
2022/239.4%13.0%13.5%
2023/2410.3%13.6%14.1%
2024/257.5%14.1%15.0%

Pupils receiving special educational needs support without an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Education, health and care plan

2024/25

4.0%

Hertfordshire
3.2%
England
3.5%

0.5 percentage points higher than England.

2.13.03.92021/222022/232023/242024/25
This schoolHertfordshireEngland
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Education, health and care plan
YearThis schoolHertfordshireEngland
2021/22Not published2.0%2.3%
2022/233.4%2.3%2.5%
2023/242.8%2.7%3.0%
2024/254.0%3.2%3.5%

Pupils with an education, health and care plan. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

First language other than English

2024/25

9.5%

Hertfordshire
21.4%
England
23.4%

13.9 percentage points lower than England.

10.416.522.52021/222022/232023/242024/25
This schoolHertfordshireEngland
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First language other than English
YearThis schoolHertfordshireEngland
2021/22Not published18.3%21.2%
2022/2310.9%19.6%22.0%
2023/249.6%20.8%22.8%
2024/259.5%21.4%23.4%

Pupils whose first language is known or believed to be other than English. Source: Department for Education, Explore Education Statistics, Schools, pupils and their characteristics, 2024/25.

Teachers

Against Hertfordshire and England, primary schools.

Pupils per qualified teacher

2025/26

20.0

Hertfordshire
20.8
England
21.2

1.2 lower than England.

19.220.221.22017/182025/26
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
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Pupils per qualified teacher
YearThis schoolHertfordshireEngland
2017/18Not published20.921.3
2018/19Not published20.921.4
2019/20Not published21.021.4
2020/21Not published20.821.1
2021/22Not published20.721.0
2022/23Not published20.721.1
2023/2419.021.021.2
2024/2519.120.821.3
2025/2620.020.821.2

Full-time equivalent pupils for each full-time equivalent qualified teacher. Source: Department for Education, Explore Education Statistics, School workforce in England, 2025/26.

Teacher sickness absence

2024/25

4.9 days

Hertfordshire
4.3 days
England
5.0 days

0.1 days lower than England.

Compared with all state-funded schools: DfE publishes this measure for all schools, not by phase.

1.83.96.02017/182024/25
This schoolHertfordshireEnglandShaded: COVID years, no comparable data
Show the figures as a table
Teacher sickness absence
YearThis schoolHertfordshireEngland
2017/18Not published3.0 days4.0 days
2018/19Not published3.1 days4.0 days
2019/20Not publishedNot publishedNot published
2020/21Not published2.9 days3.9 days
2021/22Not published5.3 days6.3 days
2022/23Not published4.4 days5.2 days
2023/241.5 days4.6 days5.3 days
2024/254.9 days4.3 days5.0 days

Days lost to sickness absence in the school year, averaged across all teachers. Source: Department for Education, Explore Education Statistics, School workforce in England, 2024/25.

Finance

Academies report their accounts as part of their trust, so DfE publishes no school-level balance for this school. The trust’s figures are in DfE’s Financial Benchmarking and Insights Tool.

See this school in the Financial Benchmarking and Insights Tool

About the school

Pupils on roll
436
Capacity
420
Type
Academy converter
Phase
Primary
Age range
3 to 11
Sixth form
Does not have a sixth form
Gender
Mixed
Trust
IVY LEARNING TRUST
Opened
1 January 2023
Setting
Urban: Nearer to a major town or city
Constituency
Hitchin
Deprivation of the area (IDACI)
Decile 7 of 10 (1 is the most deprived tenth of neighbourhoods)

Address: Whitehorse Lane, Great Ashby Way, Stevenage, Hertfordshire, SG1 6NH

Website: rounddiamondprimary.net

Telephone: 01438219410

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Sources and corrections

Every figure on this page names its source and period. This release was built on 20 October 2026.

Spotted something wrong? Report a correction with the school’s URN (149206). Fixes go out in the next weekly release.