Cassiobury Junior School, Watford
Cassiobury Junior School is a primary school for pupils aged 7 to 11 in Watford. It was rated Good at its last graded Ofsted inspection, in January 2024. Its 2025 Key Stage 2 results were the 4th-highest of the 29 schools in Watford with published results, and 1,455th of 14,452 across England. It was full in 2025, at 101% of capacity.
- SATs results
- Above England average
- Ofsted
- Good (2024)
- Capacity
- Full
- Attendance
- In line with England
Data last updated 26 Oct 2026
Cassiobury Junior School in detail
Cassiobury Junior School in its own words
Clubs and activities named on the school's website include tennis, gymnastics, drama, choir, orchestra, chess and art.
Coming up: an open day on Wednesday 25 November 2026, an open day on Thursday 26 November 2026, an open day on Friday 27 November 2026 and an open day on Friday 4 December 2026 at 9am. Check the school's website before you go, as dates can change.
All school open days in Hertfordshire
Clubs (school website)Open days on the school's site (school website)
Source: The school's own website
Results
In 2025, 93% of Year 6 pupils at Cassiobury Junior School reached the expected standard in reading and 88% in maths. At the average state primary the figures were 79% and 76% in Hertfordshire and 77% and 75% across England.
Results rose from 86% in reading and 84% in maths in 2024.
Getting a place at Cassiobury Junior School
Across Hertfordshire, 89% of families were offered their first-choice primary school for 2026 entry, and 98% were offered one of the schools they named.
In 2026, families in Hertfordshire lodged 319 appeals against primary school offers; 155 reached a hearing and 21 succeeded (13.5% of those heard).
Compared with nearby schools
The nearest other state primary schools to Cassiobury Junior School are Cassiobury Infant and Nursery School (0.1 miles, Good); Nascot Wood Junior School (0.5 miles, Outstanding, 98% reading, 92% maths); Nascot Wood Infant and Nursery School (0.6 miles, Good); and Lanchester Primary School (0.8 miles, Good, 76% reading, 81% maths).
Cassiobury Junior School's 2025 results were higher than 1 of these 2 schools.
Cassiobury Infant and Nursery SchoolNascot Wood Junior SchoolNascot Wood Infant and Nursery SchoolLanchester Primary School
Who goes there
3.9% of pupils are eligible for free school meals, well below the average state school (25%), according to the 2026 school census.
In 2026, 48 pupils (13.4%) received SEN support and 10 (2.8%) had an education, health and care plan, against 16.2% and 4.6% at the average state school. The most common need among them is speech, language and communication needs.
Getting there
The nearest Underground station is Watford Underground Station, about 1090 metres away (roughly a 14-minute walk).
2 bus stops are within a five-minute walk; the closest is Langley Way (nw-bound), 300 metres away.
The area around the school
Measured by the 2025 English Indices of Deprivation, the neighbourhood Cassiobury Junior School stands in is among the 10% least deprived neighbourhoods in England. This describes where the school is, not where its pupils live.
Suspensions and exclusions
In 2024/25, Cassiobury Junior School issued 1 suspension, 0.3 for every 100 pupils (the average state school: 6.3), and no permanent exclusions.
Secondary schools nearby
The secondary schools closest to Cassiobury Junior School are Watford Grammar School for Boys (0.9 miles), Croxley Danes School (1.1 miles) and Westfield Academy (1.4 miles).
Watford Grammar School for BoysCroxley Danes SchoolWestfield Academy
Sources: DfE school performance data (averages: state mainstream schools); DfE school-level applications and offers; council admissions booklets; DfE appeals statistics; DfE school census and special educational needs statistics; NaPTAN (Department for Transport); English Indices of Deprivation 2025 (MHCLG); data.police.uk street-level crime; DfE exclusions statistics
Location
Our estimate from how close the nearest similar schools are and how oversubscribed the council's schools are. It is not a published boundary.
Key Information
DfE GIASOfsted Rating
Ofsted · 3 years agoOverall
Quality of Education
Behaviour & Attitudes
Personal Development
Leadership & Management
Ofsted Insights
Ofsted rated this school Good at its January 2024 inspection.
Rated Outstanding for
Personal development.
Rated Good for
Quality of education, Behaviour & attitudes, Leadership & management.
At a Glance
3.9%
Free School Meals
No
Boarding
No
Nursery
No
Sixth Form
No
Special Measures
Primary Performance (KS2)
Academic year 2024/25KS2 Results (% meeting expected standard)
Reading has improved from 86% to 93% (2024 to 2025). Maths has improved from 84% to 88% (2024 to 2025). Writing has improved from 71% to 80% (2024 to 2025).
Class Sizes
29.9
Avg class size
29.9
KS2
12
Total classes
1 class with more than 30 pupils
2025/26 academic year
How Does This School Compare?
Ranked against 5 nearby primary schools
Latest from Cassiobury Junior School
From Cassiobury Junior School's website. School Signal is not affiliated with the school.
Keep up with Cassiobury Junior School
Term dates
Cassiobury Junior School is a community school, so its term dates are set by Hertfordshire. Training (INSET) days, when pupils are not in school, vary by school: check the school's own calendar.
2026 to 2027
- Autumn term: Tuesday 1 September to Friday 18 December 2026 (half term Monday 26 October to Friday 30 October 2026)
- Spring term: Monday 4 January to Thursday 25 March 2027 (half term Monday 15 February to Friday 19 February 2027)
- Summer term: Monday 12 April to Thursday 22 July 2027 (half term Monday 31 May to Friday 4 June 2027)
2027 to 2028
- Autumn term: Wednesday 1 September to Friday 17 December 2027 (half term Monday 25 October to Friday 29 October 2027)
- Spring term: Tuesday 4 January to Friday 31 March 2028 (half term Monday 14 February to Friday 18 February 2028)
- Summer term: Tuesday 18 April to Monday 24 July 2028 (half term Monday 29 May to Friday 2 June 2028)
Getting There
Bus Stops
Free school transport
Check free transport to Cassiobury Junior School from your postcode →
You apply to the council where you live. Cassiobury Junior School is in Hertfordshire; for families living there:
- Hertfordshire's school travel policy: Read the home to school transport policy
Safety and surroundings
Road collisions within 500 m (2021 to 2025)
- Collisions
- 1
- Fatal
- 0
- Serious
- 0
- Children hurt
- 0
Within 500 m of the school's mapped location, police recorded 1 road collision in which someone was injured in 2021 to 2025: none fatal, 0 serious and 1 slight.
No children aged 0 to 15 were among the people hurt.
0 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included.
The typical figure for schools in Hertfordshire is 9 (the median across 590 schools, same distance and years).
Serious and slight counts use the Department for Transport's severity adjustment, which allows for changes in how police forces record injuries; they are estimates, rounded to whole numbers. Distances are in a straight line. Source: Department for Transport, Road Safety Data (STATS19), Open Government Licence v3.0.
Commute and house prices
Capacity & Demand
School Occupancy
101%
Over capacity
361 pupils
360 places
1 pupil over capacity in 2025
2025, DfE school capacity data
Area Demand Pressure - Watford
Based on MHCLG Live Table 122 (2024-25, last 5 years) for Watford
Across Hertfordshire council
Places available
14,776
Applications
12,543
Got 1st preference
89.1%
Got preferred school
98.4%
All primary applications across Hertfordshire council (2026/27), not just this school.
Inspection History(4)
SEND & SEN Provision
SEN Overview
48
SEN Support
10
EHC Plans
16.2%
of Total Pupils
2026 academic year
Provision & Specialist Facilities
Pupils by Need Type
Pupil Demographics
Ethnicity
2026 academic year
Key Indicators
359
Total Pupils
179
Boys
180
Girls
2026 academic year
Workforce
17
Teachers
21.1:1
Pupil-teacher ratio
£43,744
Mean salary
2026 data
School Funding
£5,101
Per pupil
£1912k
Total funding
£27k
Pupil premium
2025-26 financial year allocations
Pupil Absence2024/25
4.4%
Overall absence
7.9%
Persistent absence
369
Enrolments
Absence trend
Source: DfE pupil absence statistics. Persistent absence = pupils missing 10%+ sessions.
Secondary Schools Nearby
Secondary schools pupils are likely to move to
Cassiobury Junior School
Questions parents ask about Cassiobury Junior School
What are SATs results like at Cassiobury Junior School?
Of the pupils at Cassiobury Junior School who took the 2025 Key Stage 2 assessments, 93% reached the expected standard in reading and 88% did so in maths.
What is Cassiobury Junior School's Ofsted rating?
Cassiobury Junior School was rated Good at its most recent Ofsted inspection in January 2024. At its previous graded inspection in 2008 it was rated Outstanding.
What is the catchment area for Cassiobury Junior School?
No fixed boundary. When Cassiobury Junior School is oversubscribed, Hertfordshire allocates places by its published criteria, usually ending with home-to-school distance.
Is it hard to get a place at Cassiobury Junior School?
Cassiobury Junior School was full in 2025, at 100% of its capacity, so places are allocated on the oversubscription criteria.
How big are the classes at Cassiobury Junior School?
Classes at Cassiobury Junior School average 29.9 pupils (2025/26). 1 class has more than 30 pupils - infant classes are capped at 30 by law, with limited exceptions.
How many pupils go to Cassiobury Junior School?
Cassiobury Junior School has around 359 pupils on roll. 4% are eligible for free school meals.
What is attendance like at Cassiobury Junior School?
4.4% of sessions were missed at Cassiobury Junior School in 2024/25. 7.9% of pupils were persistently absent (missing 10% or more of sessions).
How do I apply to Cassiobury Junior School?
Apply through Hertfordshire's coordinated admissions process, naming Cassiobury Junior School on your application. The national closing date in England is 31 October for secondary places and 15 January for primary places, in the year before your child starts.
What are Cassiobury Junior School's term dates?
Cassiobury Junior School is a community school, so its term dates are set by Hertfordshire. In 2026 to 2027: Autumn term: Tuesday 1 September to Friday 18 December 2026 (half term Monday 26 October to Friday 30 October 2026); Spring term: Monday 4 January to Thursday 25 March 2027 (half term Monday 15 February to Friday 19 February 2027); Summer term: Monday 12 April to Thursday 22 July 2027 (half term Monday 31 May to Friday 4 June 2027). In 2027 to 2028: Autumn term: Wednesday 1 September to Friday 17 December 2027 (half term Monday 25 October to Friday 29 October 2027); Spring term: Tuesday 4 January to Friday 31 March 2028 (half term Monday 14 February to Friday 18 February 2028); Summer term: Tuesday 18 April to Monday 24 July 2028 (half term Monday 29 May to Friday 2 June 2028).
How many road collisions happen near Cassiobury Junior School?
Within 500 m of the school's mapped location, police recorded 1 road collision in which someone was injured in 2021 to 2025: none fatal, 0 serious and 1 slight. No children aged 0 to 15 were among the people hurt. 0 of the collisions happened on a weekday between 08:00 and 09:30 or 14:45 and 16:30, holidays included. The typical figure for schools in Hertfordshire is 9 (the median across 590 schools, same distance and years).
Where is Cassiobury Junior School?
Cassiobury Junior School is at Bellmount Wood Avenue, Watford, Hertfordshire, WD17 3PD.
Sources: Hertfordshire term dates; Department for Transport, Road Safety Data (STATS19)