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Colnbrook School is a primary special school in Watford, East of England. It has not yet been rated by students on y.school. Be the first to rate this special school and help other students and parents understand what the school experience is really like.
The school has a teacher turnover rate of 8.8%, 21% of pupils eligible for free school meals, an overall absence rate of 11.7%.
All student scores on y.school are calculated from anonymous ratings using a transparent, deterministic methodology. Scores are freshness-weighted (18-month half-life) and include confidence tiers based on sample size, diversity, and consistency. For full details, see the y.school methodology.
Colnbrook School has an overall absence rate of 11.7%. The national average for primary schools is approximately 4.0%.
The teacher turnover rate at Colnbrook School is 8.8%. This measures the percentage of teachers who left the school in the past year.
21% of pupils are eligible for free school meals, which is used as a proxy for socioeconomic disadvantage.
100% of pupils receive SEN (Special Educational Needs) support or have an Education, Health and Care plan.
Source: Department for Education, Ofsted. Data shown for context only — does not influence the Student Score.
Data last updated: May 2026
Colnbrook School was rated "Outstanding" by Ofsted following an inspection in April 2023 (3 years ago). Based on Ofsted's inspection cycle, Colnbrook School is next inspection expected around 2027.
An "Outstanding" rating means Ofsted found the quality of education, behaviour, personal development, and leadership to all be of the highest standard. Only around 18% of schools in England hold this rating.
Note: From November 2025, Ofsted replaced single-word judgements with detailed report cards covering multiple categories. While Colnbrook School's rating shown above was awarded under the previous system, Ofsted now provides more granular assessments. For the most up-to-date inspection information, check the school's report card on the Ofsted website.
Ofsted data is displayed for context only and does not influence the Student Score. For the official Ofsted report, visit reports.ofsted.gov.uk.
Crime Nearby
143/mo
Within ~1 mile (Police.uk)
Violent Crime
40/mo
28% of total
Air Quality
Good
NO₂: 11.9 µg/m³ · PM2.5: 7.7
Bus Stops
29
Within 500m
Nearest Station
Carpenders Park Rail Station
0.3km away · 2 stations nearby
Source: Police.uk, DEFRA UK-Air, DfT NaPTAN. Based on the school's location — actual conditions may vary.
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Other schools in the Watford area
Special school data note
Special schools serve pupils with specific needs and follow adapted curricula. Standard exam metrics like Attainment 8 may not reflect the school's educational quality or the progress pupils actually make.
6.4
Above Average
/ 10
Data Score
Computed from 10 government data points. Not based on student reviews.
Source: Department for Education / Ofsted. Data shown for context only — does not influence the Student Score. Small schools may show extreme percentages due to small sample sizes.