Warren Dell Primary School is a primary school based in Watford under the Hertfordshire local authority.

Warren Dell Primary School caters for mixed pupils from 2 to 11 years. With 272 pupils enrolled and a capacity of 264, the school provides a structured and balanced curriculum aligned with national expectations.

The most recent Ofsted inspection, published on 24 January 2024, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.