PrimaryCommunity SchoolOpen

Cassiobury Junior School

Bellmount Wood Avenue, Watford, Hertfordshire, WD17 3PD · URN 117167

Public data summary

7.3

out of 10 · 20 data sources

Coverage 71% · Strong

Record

At a glance

Ofsted: Good
Pupils: 359
Age range: 7–11
Gender: Mixed
Capacity: 360
Local authority: Hertfordshire

Outcomes

Published performance

KS2 combined: 69.0%

Context

Attendance and community

Overall absence: 5.0%
Persistent absence: 9.4%
Free school meals: 4.4%
SEN support: 13.6%
English additional language: 27.5%

Resources

Workforce and funding

Pupil–teacher ratio: 11.7:1
Average class size: 30.0
Staff turnover: 6.5%

Official-data model

Data dimensions

Achievement

7.4

4 contributing signals

Progress

6.9

2 contributing signals

Attendance

7.7

6 contributing signals

Resources

5.2

5 contributing signals

Equity

8.8

3 contributing signals

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School contact

Official website

01923232411

School records are retained from official public datasets and managed through the Y School admin. This atlas is a supporting layer, not the current Y School product. Last refreshed 13/08/2026.