What did Ofsted judge Colnbrook School's overall effectiveness to be?
Ofsted judged Colnbrook School's overall effectiveness as Outstanding at its inspection in October 2013 (last graded inspection), and an ungraded inspection in April 2023 confirmed it, on Ofsted's own scale.
How many pupils attend Colnbrook School?
Colnbrook School has 130 pupils on roll.
What ages does Colnbrook School take?
Colnbrook School admits pupils aged 4 to 11.
Where is Colnbrook School located?
Colnbrook School is located in Watford, WD19 7UY, Hertfordshire.
How does a child get a place at Colnbrook School?
Colnbrook School is a special school, so places are not allocated through the normal admissions round. Admission is usually through an EHCP that names the school.
What is the largest ethnic background at Colnbrook School?
According to the DfE School Census 2025-26, 50.8% of pupils at Colnbrook School are recorded as White British. The full ethnic breakdown across all groups is available on the Pupils tab.
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