Arnett Hills Junior Mixed and Infant School is a primary school based in Rickmansworth under the Hertfordshire local authority.

Arnett Hills Junior Mixed and Infant School caters for mixed pupils from 4 to 11 years. With 209 pupils enrolled and a capacity of 210, the school provides a structured and balanced curriculum aligned with national expectations.

The most recent Ofsted inspection, published on 01 April 2025, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.