Key stage 2 2024/25
#2,703 of 15,057
Better than 82% of schools in England
Ranked by pupils meeting the expected standard in reading, writing and maths.
Ofsted four-point inspection gradesInspected 24 Jan 2024
Source: Get Information about Schools, URN 117167.
Year 6 results in national curriculum tests and teacher assessments. The expected standard is the level pupils should reach by the end of primary school.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Expected standard in reading, writing and maths | 77%, better than England, better than Hertfordshire | 64% | 63% |
| Higher standard in reading, writing and mathsScore of 110 or more in reading and maths, greater depth in writing. | 11%, better than England, similar to Hertfordshire | 11% | 8% |
| Average reading scoreScaled score from 80 to 120; 100 meets the expected standard. | 111, better than England, better than Hertfordshire | 107 | 106 |
| Average maths scoreScaled score from 80 to 120; 100 meets the expected standard. | 110, better than England, better than Hertfordshire | 105 | 105 |
| Average grammar, punctuation and spelling scoreScaled score from 80 to 120; 100 meets the expected standard. | 111, better than England, better than Hertfordshire | 106 | 105 |
| Expected standard in reading | 93%, better than England, better than Hertfordshire | 79% | 76% |
| Expected standard in writing | 80%, better than England, better than Hertfordshire | 73% | 73% |
| Expected standard in maths | 88%, better than England, better than Hertfordshire | 76% | 75% |
| Pupils taking tests | 91 | - | - |
Source: DfE, Compare school performance, Compare school performance 2024-2025.
Pupils at the January school census.
| Measure | This school |
|---|---|
| Total pupils | 359 |
| Girls | 180 |
| Boys | 179 |
| Eligible for free school mealsPupils from low-income families who can get free school meals. | 3.9% |
| First language not English | 24.8% |
| School places2024/25Capacity, not including nursery. | 360 |
| Unfilled placesShare of school places not taken. | 0.3% |
| SEN supportPupils with special educational needs who get extra help at school. | 48 |
| EHC planEducation, health and care plan: a legal plan for pupils with more complex needs. | 10 |
| Average class size | 29.9 |
Source: DfE, Schools, pupils and their characteristics and School capacity, Academic year 2025/26, published 04 Jun 2026.
Share of pupils in each ethnic group, as recorded at the January school census.
Source: DfE, Schools, pupils and their characteristics, Academic year 2025/26, published 04 Jun 2026.
Staff numbers are full-time equivalent (FTE). Teacher turnover shows where the school's teachers were by the following year's census.
| Measure | This school |
|---|---|
| Pupils per teacher | 23.5 |
| Pupils per adultAdults include teaching assistants. | 13.2 |
| Teachers (FTE) | 15.26 |
| Teaching assistants (FTE) | 11.96 |
| Support staff (FTE) | 18.21 |
| Teachers in census year (FTE)2024/25 | 15.5 |
| Teachers who stayed (FTE)2024/25 | 13.8 |
| Teachers who moved to another state school (FTE)2024/25 | 1 |
| Teachers who left state schools (FTE)2024/25 | 0.6 |
Source: DfE, School workforce in England, Reporting year 2025, published 04 Jun 2026.
Share of possible sessions missed.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Overall absence | 4.1%, better than England, better than Hertfordshire | 4.9% | 5.1% |
| Persistent absencePupils missing 10% or more of sessions. | 9.1%, better than England, better than Hertfordshire | 12.1% | 13.2% |
| Severe absencePupils missing 50% or more of sessions. | 0%, better than England, better than Hertfordshire | 1% | 1% |
Source: DfE, Pupil absence in schools in England, Autumn and spring term 2025/26, published 15 Oct 2026.
Suspension rate is the number of suspensions per 100 pupils, so one pupil can be counted more than once. A permanently excluded pupil is removed from the school roll.
| Measure | This school |
|---|---|
| Suspension rate | 0.3% |
| Pupils with one or more suspensions | 0.3% |
| Permanent exclusion rate | 0% |
| Permanent exclusions | 0 |
Source: DfE, Suspensions and permanent exclusions in England, Academic year 2024/25, published 09 Jul 2026.
Ratings include official Ofsted judgements and Area360 summaries of inspection grades. Open a school’s profile for its inspection grades and results.
| Distance | Phase | Name | Type | Rating | Links |
|---|---|---|---|---|---|
| 0.1 mi | Primary | Cassiobury Infant and Nursery School | Community school | Good Ofsted rating. Inspected 11 Oct 2023. | |
| 0.5 mi | Primary | Nascot Wood Junior School | Community school | Outstanding Ofsted rating. Inspected 11 Oct 2023. | |
| 0.6 mi | Primary | Nascot Wood Infant and Nursery School | Community school | Good Ofsted rating. Inspected 31 Oct 2023. | |
| 0.8 mi | Primary | Lanchester Primary School | Free schools | Good Ofsted rating. Inspected 9 Jul 2019. | |
| 0.9 mi | Primary | Beechfield School | Academy converter | Good Area360 rating. Inspected 30 Jun 2026. | |
| 0.9 mi | Secondary | Watford Grammar School for Boys | Academy converter | Outstanding Area360 rating. Inspected 14 Apr 2026. | |
| 1.0 mi | Primary | The Orchard Primary School | Academy converter | Good Ofsted rating. Inspected 19 May 2011. | |
| 1.1 mi | Primary | Holy Rood Catholic Primary School | Academy converter | Outstanding Ofsted rating. Inspected 20 Sept 2023. | |
| 1.1 mi | Secondary | Croxley Danes School | Free schools | Good Area360 rating. Inspected 24 Feb 2026. | |
| 1.1 mi | Primary | Chater Infant School | Community school | Good Ofsted rating. Inspected 29 Jan 2019. |
Cassiobury Junior School is rated Good by Ofsted, last inspected on 24 Jan 2024.
Cassiobury Junior School ranks 2,703 of 15,057 schools in England for Key stage 2 2024/25 (better than 82% of schools).
In 2024/25, 77% of pupils at Cassiobury Junior School met the expected standard in reading, writing and maths (England 63%).
Cassiobury Junior School has 359 pupils aged 7 to 11.
Cassiobury Junior School had 360 school places in 2024/25.
At Cassiobury Junior School, the average class had 29.9 pupils in 2025/26, and there were 23.5 pupils per teacher.
In 2025/26, pupils at Cassiobury Junior School missed 4.1% of sessions (England 5.1%), and 9.1% were persistently absent, missing 10% or more of sessions (England 13.2%).
Figures are the latest published by the Department for Education for each measure. Small numbers are suppressed by the publisher to protect pupils' privacy. Read how Area360 school ratings and rankings work.