St Mary's Catholic Primary School is a voluntary aided school located in Hornchurch, within the Havering local authority. The school plays an important role in the local community and forms part of the state funded education system in England.

St Mary's Catholic Primary School caters for mixed pupils from 4 to 11 years. With 419 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 April 2023, rated the school Outstanding. Inspectors highlighted the overall quality of education and the strong relationships between staff and pupils.