Windhill21 is a primary school based in Bishop's Stortford under the Hertfordshire local authority.

Windhill21 caters for mixed pupils from 3 to 11 years. With 456 pupils enrolled and a capacity of 420, the school provides a structured and balanced curriculum aligned with national expectations.

The most recent Ofsted inspection, published on 25 March 2025, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.