William Alvey School is a primary school based in Sleaford under the Lincolnshire local authority.

The school educates mixed pupils aged 3 to 11. It currently has 599 pupils on roll with space for 630, offering a broad curriculum across all primary year groups.

The most recent Ofsted inspection, published on 16 March 2022, rated the school Good. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.