Lumley Junior School is a primary school based in Chester le Street under the County Durham local authority.

The school educates mixed pupils aged 7 to 11. It currently has 182 pupils on roll with space for 196, offering a broad curriculum across all primary year groups.

The most recent Ofsted inspection, published on 16 April 2024, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.