Cassiobury Junior School
Bellmount Wood Avenue, Watford, WD17 3PD
- Phase
- Primary
- School type
- Community school
- Ages
- 7 to 11
- Gender
- Mixed
- Headteacher
- Miss Jenny Sherry
- Constituency
- Watford
- Setting
- Urban: Nearer to a major town or city
- Capacity
- 360
- Pupils on roll
- 359
- URN
- 117167
- Local authority
- Hertfordshire
- Website
- School website
- Telephone
- 01923232411
About this school
Cassiobury Junior School is a community primary school in Watford. It teaches children aged 7 to 11 and has 359 pupils on roll.
You can read Ofsted's latest judgement for the school below. Where the Department for Education has published them, its results and pupil characteristics appear below. Seeing a school for yourself shows what no page can, so arrange a visit before you apply.
Ofsted judgement
Overall judgement at the last full inspection
This inspection took place under the previous framework, which gave a single overall grade. Ofsted now publishes report cards instead, so newer inspections of other schools will look different. How Ofsted report cards work
- Quality of education
- Good
- Behaviour and attitudes
- Good
- Personal development
- Outstanding
- Leadership and management
- Good
- Safeguarding
- Effective
Exam results
Key stage 2 (end of primary school)
| Measure | 2022/23 | 2023/24 | 2024/25 |
|---|---|---|---|
| Pupils at the end of key stage 2 | 88 | 90 | 91 |
| Met the expected standard in reading, writing and maths | 67% | 69% | 77% |
| Reached the higher standard in reading, writing and maths | 7% | 12% | 11% |
| Expected standard in reading | 83% | 86% | 93% |
| Expected standard in maths | 82% | 84% | 88% |
| Expected standard in grammar, punctuation and spelling | 86% | 89% | 89% |
| Average scaled score in reading | 108.0 | 109.0 | 111.0 |
| Average scaled score in maths | 108.0 | 107.0 | 110.0 |
| Reading progress | +0.50 | - | - |
| Writing progress | -1.90 | - | - |
| Maths progress | +1.10 | - | - |
Progress measures ended nationally after the 2022/23 school year, when the key stage 1 assessments they were based on were stopped. Blank progress figures in later years are not missing school data.
Trends over time
How Cassiobury Junior School has moved over recent years against the local and national picture. Every figure is shown in the table beneath its chart.
| Year | This school | Hertfordshire average | England average |
|---|---|---|---|
| 2022/23 | 67% | 59.1% | 57.9% |
| 2023/24 | 69% | 60.6% | 58.8% |
| 2024/25 | 77% | 61% | 60.3% |
Department for Education KS2 performance data, published school results.
| Year | This school | England average |
|---|---|---|
| 2022/23 | 5.1% | 6.8% |
| 2023/24 | 5% | 6.6% |
| 2024/25 | 4.4% | 6.2% |
Department for Education pupil absence data.
| Year | This school |
|---|---|
| 2022/23 | 357 |
| 2023/24 | 360 |
| 2024/25 | 360 |
School census, spring count each academic year.
How Cassiobury Junior School compares
Cassiobury Junior School ranked 74th of 339 primary schools in Hertfordshire for KS2 results in 2024/25. Its KS2 result was higher than 82% of England primary schools that published results in 2024/25. Its absence rate was lower than 74% of England schools in 2024/25.
| School | KS2 RWM (2024/25) | Absence | FSM (6 years) | Pupils | Distance |
|---|---|---|---|---|---|
| This school | 77% | 4.4% | 5.6% | 359 | — |
| Cassiobury Infant and Nursery School | — | 4.2% | 3.4% | 310 | 0.1 miles |
| Nascot Wood Junior School | 88% | 4.5% | 11.7% | 240 | 0.5 miles |
| Nascot Wood Infant and Nursery School | — | 3.7% | 2.2% | 202 | 0.6 miles |
| Lanchester Primary School | 73% | 5.5% | 15% | 298 | 0.8 miles |
| Beechfield School | 72% | 6.2% | 24.6% | 444 | 0.9 miles |
Results reflect each school's cohort as much as its teaching, and free school meals share is context, not a judgement. Small gaps between neighbouring schools are rarely meaningful on their own.
School context
From the 2024/25 school census and absence figures.
- Free school meals (last 6 years)
- 5.56%
- English as an additional language
- 27.5%
- Overall absence
- 4.43%
- Persistent absence
- 7.86%
Location
Nearby schools
-
Cassiobury Infant and Nursery School0.1 miles
Primary · Watford
-
Nascot Wood Junior School0.5 miles
Primary · Watford
-
Nascot Wood Infant and Nursery School0.6 miles
Primary · Watford
-
Lanchester Primary School0.8 miles
Primary · Watford
-
Beechfield School0.9 miles
Primary · Watford
Other schools in Watford
Cassiobury Junior School ranks 6th of the 29 ranked primary schools in Watford.
- Alban Wood Primary School and Nursery Primary
- Ascot Road Primary School Primary
- Beechfield School Primary
- Bromet Primary School Primary
- Cassiobury Infant and Nursery School Primary
- Central Primary School Primary
- Chater Infant School Primary
- Chater Junior School Primary
- Cherry Tree Primary School Primary
- Coates Way JMI and Nursery School Primary
- Field Junior School Primary
- Greenfields Primary School Primary
Common questions
- What year groups does Cassiobury Junior School teach?
- Cassiobury Junior School teaches children aged 7 to 11. It is a primary school in Watford.
- Who is the headteacher of Cassiobury Junior School?
- The headteacher of Cassiobury Junior School is Miss Jenny Sherry, as recorded in the Department for Education's register of schools.
- When was Cassiobury Junior School last inspected?
- Ofsted has inspected Cassiobury Junior School, and its latest judgement is set out in the inspection section on this page, with the framework and the date it was made.
- How big is Cassiobury Junior School?
- Cassiobury Junior School has 359 pupils on roll, teaching children aged 7 to 11.
- Is Cassiobury Junior School full?
- Cassiobury Junior School has capacity for 360 pupils and 359 on roll (100%), so it is at or above its published capacity. Places are allocated through the local authority's admissions process, so capacity alone does not tell you whether a place is available.
- Is Cassiobury Junior School a faith school?
- No. Cassiobury Junior School has no designated religious character.
- Does Cassiobury Junior School have a nursery?
- No. The schools register records Cassiobury Junior School as having no nursery classes.
- How have Cassiobury Junior School's results changed over recent years?
- Its share of pupils reaching the expected standard in reading, writing and maths was 67% in 2022/23 and 77% in 2024/25. The year-by-year figures, alongside local and national averages, are charted in the trends section on this page.
- How does Cassiobury Junior School rank locally?
- Cassiobury Junior School ranked 74th of 339 primary schools in Hertfordshire for key stage 2 results. Its KS2 result was higher than 82% of England primary schools that published results in 2024/25. Its absence rate was lower than 74% of England schools in 2024/25. Results reflect each cohort as well as the school, so treat rankings as a starting point.
- What is Cassiobury Junior School's absence rate?
- Cassiobury Junior School's overall absence rate is 4.4% in the latest published census, at or below the England average of 6.2%.
- What are Cassiobury Junior School's exam results?
- Where the Department for Education has published them, Cassiobury Junior School's key stage results are shown in the results section on this page, with the last three years so you can see the trend rather than a single year.
School details come from the Department for Education's Get Information About Schools register. Inspection outcomes come from Ofsted, and exam results from the Department for Education's school performance service. This page was last updated on 8 July 2026.