SchoolScoresColnbrook School
Special school · Primary, ages 4 to 11 · Mixed
Hayling Road, Watford, WD19 7UY
020 8428 1281 · School website · Map and directions
Ofsted inspection
Ofsted rated this school Outstanding at the inspection that started on 23 October 2013.
This inspection used Ofsted's older format with four grades: Outstanding, Good, Requires improvement and Inadequate. Newer inspections use report cards. What changed.
| Area | Grade |
|---|---|
| Quality of education | Outstanding |
| Outcomes for pupils | Outstanding |
| Leadership and management | Outstanding |
Since then, a shorter ungraded inspection on 20 April 2023: Ofsted found the school was still Outstanding.
Read the full Ofsted reports for this school
Source: Ofsted state-funded schools inspection data.
Results
Key stage 2 (SATs, age 11), 2024/25
24 pupils in this year group.
0% — 64 points below the Hertfordshire average, and 62 points below the England average.
| Measure | This school | Hertfordshire | England |
|---|---|---|---|
| Met the expected standard in reading, writing and maths | 0% | 64% | 62% |
| Reached the higher standard in reading, writing and maths | 0% | 11% | 8% |
| Met the expected standard in reading | 0% | 79% | 75% |
| Met the expected standard in writing | 0% | 73% | 72% |
| Met the expected standard in maths | 0% | 76% | 74% |
| Average reading scoreScaled score from 80 to 120; 100 is the expected standard. | Not published | 107 | 106 |
| Average maths scoreScaled score from 80 to 120; 100 is the expected standard. | Not published | 105 | 105 |
"Not published": No figure published.
Source: DfE key stage 2 performance tables, 2024/25. England figures are for state-funded schools.
Admissions
Apply through the council where you live, even if the school is in a different council area. This school is in Hertfordshire. The national closing date for primary applications is 15 January, and offers are sent on 16 April.
Pupils, staff and SEND
This is a special school for children with an education, health and care plan (EHCP). Places are arranged through the council's SEND team, not the normal admissions round. It caters for: Speech, language and communication needs; Autism; Moderate learning difficulties.
| Pupils | This school | Hertfordshire | England |
|---|---|---|---|
| Eligible for free school meals in the last 6 years | 26.4% | 44.3%* | 51.9% |
| With an education, health and care plan | 100.0% | 99.4%* | 99.5% |
| Receiving special educational needs support | 0.0% | 0.6%* | 0.5% |
| English as an additional language | 16.3% | 13.5%* | 14.4% |
| Overall absence (sessions missed) | 9.6% | 12.7%* | 12.8% |
| Persistently absent (missed 10% or more) | 38.6% | 34.2%* | 35.3% |
| Suspensions per 100 pupils | 0.8 | 19.0 | 12.3 |
| Pupils suspended at least once | 0.8% | 7.3% | 5.1% |
| Pupils permanently excluded0 pupils | 0.00% | 0.22% | 0.08% |
| Pupils per teacher | 6.2 | 5.7 | 6.6 |
| Pupils per adult (teachers and support staff) | 2.0 | 2.2 | 2.3 |
| Teachers who left during the year | 31.7% | 15.3%* | 14.3%* |
Comparisons are with special schools. * Calculated by SchoolScores from the council's or England's schools, weighted by pupils (or teachers, for turnover); other figures are published by DfE. Sources: DfE school census 2024/25; DfE pupil absence 2024/25; DfE suspensions and permanent exclusions 2024/25; DfE school workforce census 2025/26; DfE teacher turnover 2024/25.
SEND provision: Get Information about Schools (DfE).
Nearby special schools
- Falconer School 1.6 miles · Ofsted: Good (2016), some aspects weaker 2025 · 0% grade 5+ English and maths
- Meadow Wood School 2.2 miles · Ofsted: Good (2013), confirmed 2023 · 0% met expected standard (KS2)
- Shaftesbury High School 2.3 miles · Ofsted: No overall grade (2025)
- Kingsley High School 2.4 miles · Ofsted: Outstanding (2014), confirmed 2024
Straight-line distance. Distance isn't the same as a catchment area.
Questions parents ask
What is Colnbrook School's Ofsted rating?
Colnbrook School was rated Outstanding by Ofsted at its inspection in 23 October 2013. At a shorter ungraded inspection in 20 April 2023, Ofsted found the school was still Outstanding.
How did Colnbrook School do in its SATs?
In 2024/25, 0% of pupils met the expected standard in reading, writing and maths, 62 points below the England average of 62%.
Sources
- School details: Get Information about Schools (DfE), 26 September 2026. URN 117670.
- Inspections: Ofsted management information, data to 31 August 2026.
- Results: DfE school performance tables, Key stage 2 2024/25.
Spotted a mistake? Report it and we'll check it against the source.
Page updated 26 September 2026.