South Green Junior School is a foundation school located in Billericay, within the Essex local authority. The school plays an important role in the local community and forms part of the state funded education system in England.

The school educates mixed pupils aged 7 to 11. It currently has 237 pupils on roll with space for 240, offering a broad curriculum across all primary year groups.

The most recent Ofsted inspection, published on 20 April 2022, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.